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</div></div><div align="center" class="tochead"><h1>17. FEJEZET: Nevezetes azonosságok (teszt)</h1></div>
  <div id="mut" class="mut" onclick="style.display='none'; ">
    <div class="flec">Bezárás: <a class="flec" href="#">[ X ]</a> </div>
    <iframe type="application/xml" id="ifmut" width="80%" height="85%"></iframe>
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<div class="studentchapterhead"><p>

Számológép használata nélkül töltsük ki a tesztet!

</p></div>
<div class="feladat"><b>Feladat: 17.1.</b><br /> <a name="a_i_nevazon_teszt_01ha_071208_01" /><a href="bib_box.php?mode=sne---j-&amp;citation_num=" target="bib_box" onclick="mutat('bib_box.php?mode=sne---j-&amp;citation_num='); return false;"></a>Az alábbi kifejezések közül hánynak az értéke állandó?

<br />

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow>

<m:mfrac><m:mrow><m:mn>4</m:mn><m:mi>x</m:mi><m:mo>-</m:mo><m:mn>6</m:mn><m:mi>y</m:mi></m:mrow>

<m:mrow><m:mn>6</m:mn><m:mi>x</m:mi><m:mo>-</m:mo><m:mn>9</m:mn><m:mi>y</m:mi></m:mrow>

</m:mfrac>

</m:mrow></m:math>;

<br /><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>&ensp;</m:mi></m:mrow></m:math><br />

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow>

<m:mfrac><m:mrow>

<m:msup><m:mrow><m:mi>k</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>+</m:mo><m:mn>1</m:mn></m:mrow>

<m:mrow><m:mo stretchy="false">(</m:mo><m:mi>k</m:mi><m:mo>+</m:mo><m:mn>1</m:mn>

<m:msup><m:mrow><m:mo stretchy="false">)</m:mo></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

</m:mrow>

</m:mfrac>

</m:mrow></m:math>;

<br /><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>&ensp;</m:mi></m:mrow></m:math><br />

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow>

<m:mfrac><m:mrow>

<m:msup><m:mrow><m:mi>a</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>-</m:mo><m:mn>25</m:mn></m:mrow>

<m:mrow><m:mi>a</m:mi><m:mo>+</m:mo><m:mn>5</m:mn></m:mrow>

</m:mfrac>

<m:mo>-</m:mo><m:mi>a</m:mi></m:mrow></m:math>;

<br /><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>&ensp;</m:mi></m:mrow></m:math><br />

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo stretchy="false">(</m:mo><m:mn>3</m:mn>

<m:msup><m:mrow><m:mi>x</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>-</m:mo><m:mn>4</m:mn>

<m:msup><m:mrow><m:mo stretchy="false">)</m:mo></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>+</m:mo><m:mn>24</m:mn>

<m:msup><m:mrow><m:mi>x</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>-</m:mo><m:mn>9</m:mn>

<m:msup><m:mrow><m:mi>x</m:mi></m:mrow><m:mrow><m:mn>4</m:mn></m:mrow>

</m:msup>

</m:mrow></m:math>;

<br />

<br /><b>A)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>0</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>B)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>1</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>C)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>2</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>D)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>3</m:mn></m:mrow></m:math> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>E)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>4</m:mn></m:mrow></m:math><br />

y default: it reads from stdin and writes to stdout.

But a non-switch argument specifies the file[.tex] to translate to file.xml.

Diagnostics concerning unknown or untranslated constructs are sent to stderr.

<div class="p"><!----></div>

  Obtain USAGE </td><td width="150">

 switch information by:   ttm -?

  Obtain QUALIFICATIONS by:               ttm -?q

<div class="p"><!----></div>

TtM may be used and distributed under the terms of the GPL version 2.
<br />&nbsp;<br /><div align="right">[ <a class="link" href="exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3Aa_i_nevazon_teszt_01ha_071208_01" target="_blank" onclick="mutat('exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3Aa_i_nevazon_teszt_01ha_071208_01'); return false;">&nbsp;Megoldás&nbsp;</a>&nbsp;] </div></div>

<div class="feladat"><b>Feladat: 17.2.</b><br /> <a name="a_i_nevazon_teszt_01ha_071208_02" /><a href="bib_box.php?mode=sne---j-&amp;citation_num=" target="bib_box" onclick="mutat('bib_box.php?mode=sne---j-&amp;citation_num='); return false;"></a>Alább azonosságokat kezdtünk el írni. Fejezzük be őket! Próbáljuk ugyanazt a kifejezést minél több helyre beírni, hogy azonosságot kapjunk!

(Pl. az <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow>

<m:mfrac><m:mrow><m:mi>a</m:mi><m:mo>+</m:mo><m:mn>1</m:mn></m:mrow>

<m:mrow><m:mo>.</m:mo><m:mo>.</m:mo><m:mo>.</m:mo></m:mrow>

</m:mfrac>

<m:mo>=</m:mo><m:mn>1</m:mn></m:mrow></m:math> és <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo stretchy="false">(</m:mo><m:mo>.</m:mo><m:mo>.</m:mo><m:mo>.</m:mo>

<m:msup><m:mrow><m:mo stretchy="false">)</m:mo></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>=</m:mo>

<m:msup><m:mrow><m:mi>a</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>+</m:mo><m:mn>2</m:mn><m:mi>a</m:mi><m:mo>+</m:mo><m:mn>1</m:mn></m:mrow></m:math> hiányos azonosságok mindegyikébe beírhatjuk az ,,<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>a</m:mi><m:mo>+</m:mo><m:mn>1</m:mn></m:mrow></m:math>" kifejezést). 

<div class="p"><!----></div>

<br /><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>4</m:mn>

<m:msup><m:mrow><m:mi>x</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>-</m:mo><m:mn>20</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>25</m:mn><m:mo>=</m:mo><m:mo stretchy="false">(</m:mo><m:mo>.</m:mo><m:mo>.</m:mo><m:mo>.</m:mo>

<m:msup><m:mrow><m:mo stretchy="false">)</m:mo></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

</m:mrow></m:math>;

<br /><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>&ensp;</m:mi></m:mrow></m:math><br />

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow>

<m:mfrac><m:mrow><m:mn>4</m:mn>

<m:msup><m:mrow><m:mi>x</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>-</m:mo><m:mn>25</m:mn></m:mrow>

<m:mrow><m:mo>.</m:mo><m:mo>.</m:mo><m:mo>.</m:mo></m:mrow>

</m:mfrac>

<m:mo>=</m:mo><m:mn>2</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>5</m:mn></m:mrow></m:math>;

<br /><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>&ensp;</m:mi></m:mrow></m:math><br />

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>2</m:mn>

<m:msup><m:mrow><m:mi>x</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>-</m:mo><m:mn>3</m:mn><m:mi>x</m:mi><m:mo>-</m:mo><m:mn>5</m:mn><m:mo>=</m:mo><m:mo stretchy="false">(</m:mo><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>1</m:mn><m:mo stretchy="false">)</m:mo><m:mo>&middot;</m:mo><m:mo stretchy="false">(</m:mo><m:mo>.</m:mo><m:mo>.</m:mo><m:mo>.</m:mo><m:mo stretchy="false">)</m:mo></m:mrow></m:math>;

<br /><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>&ensp;</m:mi></m:mrow></m:math><br />

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo stretchy="false">(</m:mo><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>2</m:mn>

<m:msup><m:mrow><m:mo stretchy="false">)</m:mo></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>-</m:mo><m:mo stretchy="false">(</m:mo><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>3</m:mn>

<m:msup><m:mrow><m:mo stretchy="false">)</m:mo></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>=</m:mo><m:mo>.</m:mo><m:mo>.</m:mo><m:mo>.</m:mo></m:mrow></m:math>;

<br /><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>&ensp;</m:mi></m:mrow></m:math><br />

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo stretchy="false">(</m:mo><m:mn>5</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>2</m:mn>

<m:msup><m:mrow><m:mo stretchy="false">)</m:mo></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>+</m:mo><m:mo stretchy="false">(</m:mo><m:mo>.</m:mo><m:mo>.</m:mo><m:mo>.</m:mo>

<m:msup><m:mrow><m:mo stretchy="false">)</m:mo></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>=</m:mo><m:mn>29</m:mn><m:mo stretchy="false">(</m:mo>

<m:msup><m:mrow><m:mi>x</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>+</m:mo><m:mn>1</m:mn><m:mo stretchy="false">)</m:mo></m:mrow></m:math>;

<br />

<div class="p"><!----></div>

A szükséges különböző kifejezések minimális száma:

<div class="p"><!----></div>

<br /><b>A)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>1</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>B)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>2</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>C)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>3</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>D)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>4</m:mn></m:mrow></m:math> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>E)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>5</m:mn></m:mrow></m:math><br />

y default: it reads from stdin and writes to stdout.

But a non-switch argument specifies the file[.tex] to translate to file.xml.

Diagnostics concerning unknown or untranslated constructs are sent to stderr.

<div class="p"><!----></div>

  Obtain USAGE </td><td width="150">

 switch information by:   ttm -?

  Obtain QUALIFICATIONS by:               ttm -?q

<div class="p"><!----></div>

TtM may be used and distributed under the terms of the GPL version 2.
<br />&nbsp;<br /><div align="right">[ <a class="link" href="exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3Aa_i_nevazon_teszt_01ha_071208_02" target="_blank" onclick="mutat('exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3Aa_i_nevazon_teszt_01ha_071208_02'); return false;">&nbsp;Megoldás&nbsp;</a>&nbsp;] </div></div>

<div class="feladat"><b>Feladat: 17.3.</b><br /> <a name="a_i_nevazon_teszt_01ha_071208_03" /><a href="bib_box.php?mode=sne---j-&amp;citation_num=" target="bib_box" onclick="mutat('bib_box.php?mode=sne---j-&amp;citation_num='); return false;"></a>Határozzuk meg

<br />

<table width="100%"><tr><td align="center">

    <m:math xmlns="http://www.w3.org/1998/Math/MathML">

    <m:mstyle displaystyle="true"><m:mrow><m:mn>20072005</m:mn><m:mo>&middot;</m:mo><m:mn>20072011</m:mn><m:mo>-</m:mo>

<m:msup><m:mrow><m:mn>20072007</m:mn></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

</m:mrow>

    </m:mstyle></m:math>

</td></tr></table>

<br />

pontos értékét!

<br /><b>A)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>6</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>B)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>20072006</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>C)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>40144006</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>D)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>60216016</m:mn></m:mrow></m:math> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>E)</b>&nbsp;&nbsp;&nbsp; egyik sem<br />

y default: it reads from stdin and writes to stdout.

But a non-switch argument specifies the file[.tex] to translate to file.xml.

Diagnostics concerning unknown or untranslated constructs are sent to stderr.

<div class="p"><!----></div>

  Obtain USAGE </td><td width="150">

 switch information by:   ttm -?

  Obtain QUALIFICATIONS by:               ttm -?q

<div class="p"><!----></div>

TtM may be used and distributed under the terms of the GPL version 2.
<br />&nbsp;<br /><div align="right">[ <a class="link" href="exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3Aa_i_nevazon_teszt_01ha_071208_03" target="_blank" onclick="mutat('exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3Aa_i_nevazon_teszt_01ha_071208_03'); return false;">&nbsp;Megoldás&nbsp;</a>&nbsp;] </div></div>

<div class="feladat"><b>Feladat: 17.4.</b><br /> <a name="a_i_nevazon_teszt_01ha_071208_04" /><a href="bib_box.php?mode=sne---j-&amp;citation_num=" target="bib_box" onclick="mutat('bib_box.php?mode=sne---j-&amp;citation_num='); return false;"></a>Válasszuk úgy meg <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>x</m:mi></m:mrow></m:math> és <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>y</m:mi></m:mrow></m:math> értékét, hogy azokat az alábbi tíz kifejezésbe beírva (ugyanazt az értékpárt mindegyik kifejezésbe) minél többféle értéket kapjunk!

<br />

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo stretchy="false">(</m:mo><m:mi>x</m:mi><m:mo>-</m:mo><m:mi>y</m:mi>

<m:msup><m:mrow><m:mo stretchy="false">)</m:mo></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

</m:mrow></m:math>;

<br /><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>&ensp;</m:mi></m:mrow></m:math><br />

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo stretchy="false">(</m:mo><m:mi>x</m:mi><m:mo>+</m:mo><m:mi>y</m:mi><m:mo stretchy="false">)</m:mo><m:mo stretchy="false">(</m:mo><m:mi>x</m:mi><m:mo>-</m:mo><m:mi>y</m:mi><m:mo stretchy="false">)</m:mo></m:mrow></m:math>;

<br /><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>&ensp;</m:mi></m:mrow></m:math><br />

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo stretchy="false">(</m:mo><m:mi>y</m:mi><m:mo>-</m:mo><m:mi>x</m:mi>

<m:msup><m:mrow><m:mo stretchy="false">)</m:mo></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

</m:mrow></m:math>;

<br /><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>&ensp;</m:mi></m:mrow></m:math><br />

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow>

<m:msup><m:mrow><m:mi>x</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>-</m:mo>

<m:msup><m:mrow><m:mi>y</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

</m:mrow></m:math>;

<br /><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>&ensp;</m:mi></m:mrow></m:math><br />

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow>

<m:msup><m:mrow><m:mi>x</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>-</m:mo><m:mn>2</m:mn><m:mi mathvariant="italic">xy</m:mi><m:mo>+</m:mo>

<m:msup><m:mrow><m:mi>y</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

</m:mrow></m:math>;

<br /><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>&ensp;</m:mi></m:mrow></m:math><br />

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow>

<m:mfrac><m:mrow>

<m:msup><m:mrow><m:mi>x</m:mi></m:mrow><m:mrow><m:mn>4</m:mn></m:mrow>

</m:msup>

<m:mo>-</m:mo>

<m:msup><m:mrow><m:mi>y</m:mi></m:mrow><m:mrow><m:mn>4</m:mn></m:mrow>

</m:msup>

</m:mrow>

<m:mrow>

<m:msup><m:mrow><m:mi>x</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>+</m:mo>

<m:msup><m:mrow><m:mi>y</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

</m:mrow>

</m:mfrac>

</m:mrow></m:math>;

<br /><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>&ensp;</m:mi></m:mrow></m:math><br />

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo stretchy="false">(</m:mo><m:mo>-</m:mo><m:mi>x</m:mi><m:mo>-</m:mo><m:mi>y</m:mi><m:mo stretchy="false">)</m:mo><m:mo stretchy="false">(</m:mo><m:mi>y</m:mi><m:mo>-</m:mo><m:mi>x</m:mi><m:mo stretchy="false">)</m:mo></m:mrow></m:math>;

<br /><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>&ensp;</m:mi></m:mrow></m:math><br />

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo stretchy="false">(</m:mo><m:mi>x</m:mi><m:mo>+</m:mo><m:mi>y</m:mi>

<m:msup><m:mrow><m:mo stretchy="false">)</m:mo></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>-</m:mo><m:mn>4</m:mn><m:mi mathvariant="italic">xy</m:mi></m:mrow></m:math>;

<br /><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>&ensp;</m:mi></m:mrow></m:math><br />

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo>-</m:mo><m:mo stretchy="false">(</m:mo><m:mi>x</m:mi><m:mo>-</m:mo><m:mi>y</m:mi><m:mo stretchy="false">)</m:mo><m:mo stretchy="false">(</m:mo><m:mi>y</m:mi><m:mo>-</m:mo><m:mi>x</m:mi><m:mo stretchy="false">)</m:mo></m:mrow></m:math>;

<br /><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>&ensp;</m:mi></m:mrow></m:math><br />

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow>

<m:mfrac><m:mrow>

<m:msup><m:mrow><m:mi>x</m:mi></m:mrow><m:mrow><m:mn>3</m:mn></m:mrow>

</m:msup>

<m:mo>-</m:mo><m:mn>3</m:mn>

<m:msup><m:mrow><m:mi>x</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mi>y</m:mi><m:mo>+</m:mo><m:mn>3</m:mn>

<m:msup><m:mrow><m:mi mathvariant="italic">xy</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>-</m:mo>

<m:msup><m:mrow><m:mi>y</m:mi></m:mrow><m:mrow><m:mn>3</m:mn></m:mrow>

</m:msup>

</m:mrow>

<m:mrow><m:mi>x</m:mi><m:mo>-</m:mo><m:mi>y</m:mi></m:mrow>

</m:mfrac>

</m:mrow></m:math>.

<br />

Legfeljebb hány különböző érték érhető el egy megfelelő <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>x</m:mi></m:mrow></m:math>, <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>y</m:mi></m:mrow></m:math> pár alkalmazásával?

<br /><b>A)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>1</m:mn></m:mrow></m:math> vagy <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>2</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>B)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>3</m:mn></m:mrow></m:math> vagy <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>4</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>C)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>5</m:mn></m:mrow></m:math> vagy <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>6</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>D)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>7</m:mn></m:mrow></m:math> vagy <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>8</m:mn></m:mrow></m:math> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>E)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>9</m:mn></m:mrow></m:math> vagy <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>10</m:mn></m:mrow></m:math><br />

y default: it reads from stdin and writes to stdout.

But a non-switch argument specifies the file[.tex] to translate to file.xml.

Diagnostics concerning unknown or untranslated constructs are sent to stderr.

<div class="p"><!----></div>

  Obtain USAGE </td><td width="150">

 switch information by:   ttm -?

  Obtain QUALIFICATIONS by:               ttm -?q

<div class="p"><!----></div>

TtM may be used and distributed under the terms of the GPL version 2.
<br />&nbsp;<br /><div align="right">[ <a class="link" href="exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3Aa_i_nevazon_teszt_01ha_071208_04" target="_blank" onclick="mutat('exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3Aa_i_nevazon_teszt_01ha_071208_04'); return false;">&nbsp;Megoldás&nbsp;</a>&nbsp;] </div></div>

<div class="feladat"><b>Feladat: 17.5.</b><br /> <a name="a_i_nevazon_teszt_01ha_071208_05" /><a href="bib_box.php?mode=sne---j-&amp;citation_num=" target="bib_box" onclick="mutat('bib_box.php?mode=sne---j-&amp;citation_num='); return false;"></a>Számoljunk fejben! Válasszuk ki az alábbi listából <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow>

<m:msup><m:mrow><m:mo>(</m:mo><m:mn>5</m:mn>

<m:mfrac><m:mrow><m:mn>1</m:mn></m:mrow>

<m:mrow><m:mn>5</m:mn></m:mrow>

</m:mfrac>

<m:mo>)</m:mo></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

</m:mrow></m:math> (öt egész egyötöd négyzetének) értékét!

<div class="p"><!----></div>

<br /><b>A)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>25</m:mn>

<m:mfrac><m:mrow><m:mn>1</m:mn></m:mrow>

<m:mrow><m:mn>25</m:mn></m:mrow>

</m:mfrac>

</m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>B)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>26</m:mn>

<m:mfrac><m:mrow><m:mn>1</m:mn></m:mrow>

<m:mrow><m:mn>25</m:mn></m:mrow>

</m:mfrac>

</m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>C)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>27</m:mn>

<m:mfrac><m:mrow><m:mn>1</m:mn></m:mrow>

<m:mrow><m:mn>25</m:mn></m:mrow>

</m:mfrac>

</m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>D)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>30</m:mn>

<m:mfrac><m:mrow><m:mn>1</m:mn></m:mrow>

<m:mrow><m:mn>5</m:mn></m:mrow>

</m:mfrac>

</m:mrow></m:math> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>E)</b>&nbsp;&nbsp;&nbsp; egyik sem<br />

y default: it reads from stdin and writes to stdout.

But a non-switch argument specifies the file[.tex] to translate to file.xml.

Diagnostics concerning unknown or untranslated constructs are sent to stderr.

<div class="p"><!----></div>

  Obtain USAGE </td><td width="150">

 switch information by:   ttm -?

  Obtain QUALIFICATIONS by:               ttm -?q

<div class="p"><!----></div>

TtM may be used and distributed under the terms of the GPL version 2.
<br />&nbsp;<br /><div align="right">[ <a class="link" href="exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3Aa_i_nevazon_teszt_01ha_071208_05" target="_blank" onclick="mutat('exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3Aa_i_nevazon_teszt_01ha_071208_05'); return false;">&nbsp;Megoldás&nbsp;</a>&nbsp;] </div></div>

<div class="feladat"><b>Feladat: 17.6.</b><br /> <a name="a_i_nevazon_teszt_01ha_071208_06" /><a href="bib_box.php?mode=sne---j-&amp;citation_num=" target="bib_box" onclick="mutat('bib_box.php?mode=sne---j-&amp;citation_num='); return false;"></a>Számoljunk fejben! Válasszuk ki az alábbi listából <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>99</m:mn><m:mi>&ensp;</m:mi>

<m:msup><m:mrow><m:mn>997</m:mn></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

</m:mrow></m:math> értékét!

<div class="p"><!----></div>

<br /><b>A)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>9</m:mn><m:mi>&ensp;</m:mi><m:mn>999</m:mn><m:mi>&ensp;</m:mi><m:mn>999</m:mn><m:mi>&ensp;</m:mi><m:mn>991</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>B)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>9</m:mn><m:mi>&ensp;</m:mi><m:mn>999</m:mn><m:mi>&ensp;</m:mi><m:mn>999</m:mn><m:mi>&ensp;</m:mi><m:mn>949</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>C)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>9</m:mn><m:mi>&ensp;</m:mi><m:mn>999</m:mn><m:mi>&ensp;</m:mi><m:mn>994</m:mn><m:mi>&ensp;</m:mi><m:mn>009</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>D)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>9</m:mn><m:mi>&ensp;</m:mi><m:mn>999</m:mn><m:mi>&ensp;</m:mi><m:mn>499</m:mn><m:mi>&ensp;</m:mi><m:mn>999</m:mn></m:mrow></m:math> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>E)</b>&nbsp;&nbsp;&nbsp; egyik sem<br />

y default: it reads from stdin and writes to stdout.

But a non-switch argument specifies the file[.tex] to translate to file.xml.

Diagnostics concerning unknown or untranslated constructs are sent to stderr.

<div class="p"><!----></div>

  Obtain USAGE </td><td width="150">

 switch information by:   ttm -?

  Obtain QUALIFICATIONS by:               ttm -?q

<div class="p"><!----></div>

TtM may be used and distributed under the terms of the GPL version 2.
<br />&nbsp;<br /><div align="right">[ <a class="link" href="exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3Aa_i_nevazon_teszt_01ha_071208_06" target="_blank" onclick="mutat('exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3Aa_i_nevazon_teszt_01ha_071208_06'); return false;">&nbsp;Megoldás&nbsp;</a>&nbsp;] </div></div>

<div class="feladat"><b>Feladat: 17.7.</b><br /> <a name="a_i_nevazon_teszt_01ha_071208_07" /><a href="bib_box.php?mode=sne---j-&amp;citation_num=" target="bib_box" onclick="mutat('bib_box.php?mode=sne---j-&amp;citation_num='); return false;"></a>Számoljunk fejben! Válasszuk ki az alábbi listából azt a tartományt, amelybe <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>n</m:mi><m:mo>=</m:mo>

<m:msup><m:mrow><m:mn>2008</m:mn></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>-</m:mo>

<m:msup><m:mrow><m:mn>2007</m:mn></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

</m:mrow></m:math> tartozik!

<div class="p"><!----></div>

<br /><b>A)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>0</m:mn><m:mo>&lt;</m:mo><m:mi>n</m:mi><m:mo>&le;</m:mo><m:mn>10</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>B)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>10</m:mn><m:mo>&lt;</m:mo><m:mi>n</m:mi><m:mo>&le;</m:mo><m:mn>100</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>C)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>100</m:mn><m:mo>&lt;</m:mo><m:mi>n</m:mi><m:mo>&le;</m:mo><m:mn>1000</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>D)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>1000</m:mn><m:mo>&lt;</m:mo><m:mi>n</m:mi><m:mo>&le;</m:mo><m:mn>10000</m:mn></m:mrow></m:math> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>E)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>10000</m:mn><m:mo>&lt;</m:mo><m:mi>n</m:mi></m:mrow></m:math><br />

y default: it reads from stdin and writes to stdout.

But a non-switch argument specifies the file[.tex] to translate to file.xml.

Diagnostics concerning unknown or untranslated constructs are sent to stderr.

<div class="p"><!----></div>

  Obtain USAGE </td><td width="150">

 switch information by:   ttm -?

  Obtain QUALIFICATIONS by:               ttm -?q

<div class="p"><!----></div>

TtM may be used and distributed under the terms of the GPL version 2.
<br />&nbsp;<br /><div align="right">[ <a class="link" href="exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3Aa_i_nevazon_teszt_01ha_071208_07" target="_blank" onclick="mutat('exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3Aa_i_nevazon_teszt_01ha_071208_07'); return false;">&nbsp;Megoldás&nbsp;</a>&nbsp;] </div></div>

<div class="feladat"><b>Feladat: 17.8.</b><br /> <a name="a_i_nevazon_teszt_01ha_071208_08" /><a href="bib_box.php?mode=sne---j-&amp;citation_num=" target="bib_box" onclick="mutat('bib_box.php?mode=sne---j-&amp;citation_num='); return false;"></a>Számoljunk fejben! Az  <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow>

<m:msup><m:mrow><m:mn>510</m:mn></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>-</m:mo>

<m:msup><m:mrow><m:mn>503</m:mn></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

</m:mrow></m:math> szám legnagyobb valódi osztóját keressük. Jelölje azt az osztót <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>q</m:mi></m:mrow></m:math>. 

Melyik halmazba esik <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>q</m:mi></m:mrow></m:math>?

<div class="p"><!----></div>

<br /><b>A)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>0</m:mn><m:mo>&lt;</m:mo><m:mi>q</m:mi><m:mo>&le;</m:mo><m:mn>10</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>B)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>10</m:mn><m:mo>&lt;</m:mo><m:mi>n</m:mi><m:mo>&le;</m:mo><m:mn>100</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>C)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>100</m:mn><m:mo>&lt;</m:mo><m:mi>n</m:mi><m:mo>&le;</m:mo><m:mn>1000</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>D)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>1000</m:mn><m:mo>&lt;</m:mo><m:mi>n</m:mi><m:mo>&le;</m:mo><m:mn>2000</m:mn></m:mrow></m:math> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>E)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>2000</m:mn><m:mo>&lt;</m:mo><m:mi>n</m:mi></m:mrow></m:math><br />

y default: it reads from stdin and writes to stdout.

But a non-switch argument specifies the file[.tex] to translate to file.xml.

Diagnostics concerning unknown or untranslated constructs are sent to stderr.

<div class="p"><!----></div>

  Obtain USAGE </td><td width="150">

 switch information by:   ttm -?

  Obtain QUALIFICATIONS by:               ttm -?q

<div class="p"><!----></div>

TtM may be used and distributed under the terms of the GPL version 2.
<br />&nbsp;<br /><div align="right">[ <a class="link" href="exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3Aa_i_nevazon_teszt_01ha_071208_08" target="_blank" onclick="mutat('exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3Aa_i_nevazon_teszt_01ha_071208_08'); return false;">&nbsp;Megoldás&nbsp;</a>&nbsp;] </div></div>

<div class="feladat"><b>Feladat: 17.9.</b><br /> <a name="a_i_nevazon_teszt_01ha_071208_09" /><a href="bib_box.php?mode=sne---j-&amp;citation_num=" target="bib_box" onclick="mutat('bib_box.php?mode=sne---j-&amp;citation_num='); return false;"></a>Az alábbi egyenletek mindegyikében megváltoztathatunk  egy ,,<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo>+</m:mo></m:mrow></m:math>" vagy ,,<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo>-</m:mo></m:mrow></m:math>" jelet (tehát a ,,<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo>+</m:mo></m:mrow></m:math>"-t ,,<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo>-</m:mo></m:mrow></m:math>"-ra, a ,,<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo>-</m:mo></m:mrow></m:math>"-t ,,<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo>+</m:mo></m:mrow></m:math>"-ra cserélhetjük, de összesen csak egyet). 

<div class="p"><!----></div>

<br /><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo stretchy="false">(</m:mo><m:mi>p</m:mi><m:mo>-</m:mo><m:mn>2</m:mn><m:mi>q</m:mi>

<m:msup><m:mrow><m:mo stretchy="false">)</m:mo></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>=</m:mo>

<m:msup><m:mrow><m:mi>p</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>-</m:mo><m:mn>4</m:mn><m:mi mathvariant="italic">pq</m:mi><m:mo>-</m:mo><m:mn>4</m:mn>

<m:msup><m:mrow><m:mi>q</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

</m:mrow></m:math>;

<br /><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>&ensp;</m:mi></m:mrow></m:math><br />

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>9</m:mn>

<m:msup><m:mrow><m:mi>a</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>+</m:mo><m:mn>4</m:mn>

<m:msup><m:mrow><m:mi>b</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>=</m:mo><m:mo stretchy="false">(</m:mo><m:mn>3</m:mn><m:mi>a</m:mi><m:mo>-</m:mo><m:mn>2</m:mn><m:mi>b</m:mi><m:mo stretchy="false">)</m:mo><m:mo stretchy="false">(</m:mo><m:mn>3</m:mn><m:mi>a</m:mi><m:mo>+</m:mo><m:mn>2</m:mn><m:mi>b</m:mi><m:mo stretchy="false">)</m:mo></m:mrow></m:math>;

<br /><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>&ensp;</m:mi></m:mrow></m:math><br />

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo stretchy="false">(</m:mo><m:mn>0</m:mn><m:mo>,</m:mo><m:mn>5</m:mn><m:mi>u</m:mi><m:mo>-</m:mo><m:mn>2</m:mn><m:mi>v</m:mi>

<m:msup><m:mrow><m:mo stretchy="false">)</m:mo></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>=</m:mo><m:mn>0</m:mn><m:mo>,</m:mo><m:mn>25</m:mn>

<m:msup><m:mrow><m:mi>u</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>-</m:mo><m:mn>4</m:mn>

<m:msup><m:mrow><m:mi>v</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

</m:mrow></m:math>;

<br /><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>&ensp;</m:mi></m:mrow></m:math><br />

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo stretchy="false">(</m:mo><m:mi>x</m:mi><m:mo>+</m:mo><m:mi>y</m:mi><m:mo>-</m:mo><m:mi>z</m:mi>

<m:msup><m:mrow><m:mo stretchy="false">)</m:mo></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>=</m:mo>

<m:msup><m:mrow><m:mi>x</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>+</m:mo>

<m:msup><m:mrow><m:mi>y</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>+</m:mo>

<m:msup><m:mrow><m:mi>z</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>-</m:mo><m:mn>2</m:mn><m:mi mathvariant="italic">xy</m:mi><m:mo>-</m:mo><m:mn>2</m:mn><m:mi mathvariant="italic">yz</m:mi><m:mo>-</m:mo><m:mn>2</m:mn><m:mi mathvariant="italic">zx</m:mi></m:mrow></m:math>;

<br />

<div class="p"><!----></div>

Hány olyan egyenlet van a négy között, amelyből így azonosságot is kaphatunk?

<br /><b>A)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>0</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>B)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>1</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>C)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>2</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>D)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>3</m:mn></m:mrow></m:math> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>E)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>4</m:mn></m:mrow></m:math><br />

y default: it reads from stdin and writes to stdout.

But a non-switch argument specifies the file[.tex] to translate to file.xml.

Diagnostics concerning unknown or untranslated constructs are sent to stderr.

<div class="p"><!----></div>

  Obtain USAGE </td><td width="150">

 switch information by:   ttm -?

  Obtain QUALIFICATIONS by:               ttm -?q

<div class="p"><!----></div>

TtM may be used and distributed under the terms of the GPL version 2.
<br />&nbsp;<br /><div align="right">[ <a class="link" href="exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3Aa_i_nevazon_teszt_01ha_071208_09" target="_blank" onclick="mutat('exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3Aa_i_nevazon_teszt_01ha_071208_09'); return false;">&nbsp;Megoldás&nbsp;</a>&nbsp;] </div></div>

<div class="feladat"><b>Feladat: 17.10.</b><br /> <a name="a_i_nevazon_teszt_01ha_071208_10" /><a href="bib_box.php?mode=sne---j-&amp;citation_num=" target="bib_box" onclick="mutat('bib_box.php?mode=sne---j-&amp;citation_num='); return false;"></a>Az alábbi egyenletből azonosságot szeretnénk kapni. 

Ehhez megváltoztathatunk legfeljebb két együtthatót (a <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>2</m:mn></m:mrow></m:math>, <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>1</m:mn></m:mrow></m:math>, <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>4</m:mn></m:mrow></m:math>, <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>12</m:mn></m:mrow></m:math>, <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>1</m:mn></m:mrow></m:math> számok közül egyet vagy kettőt), 

de csak pozitív egész számra cserélhetünk. 

<br />

<table width="100%"><tr><td align="center">

    <m:math xmlns="http://www.w3.org/1998/Math/MathML">

    <m:mstyle displaystyle="true"><m:mrow><m:mo stretchy="false">(</m:mo><m:mn>2</m:mn><m:mi>a</m:mi><m:mo>+</m:mo><m:mn>1</m:mn>

<m:msup><m:mrow><m:mo stretchy="false">)</m:mo></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>=</m:mo><m:mn>4</m:mn>

<m:msup><m:mrow><m:mi>a</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>+</m:mo><m:mn>12</m:mn><m:mi>a</m:mi><m:mo>+</m:mo><m:mn>1</m:mn></m:mrow>

    </m:mstyle></m:math>

</td></tr></table>

<br />

Hány megoldás van? 

<br /><b>A)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>0</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>B)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>1</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>C)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>2</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>D)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>3</m:mn></m:mrow></m:math> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>E)</b>&nbsp;&nbsp;&nbsp; legalább <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>4</m:mn></m:mrow></m:math><br />

y default: it reads from stdin and writes to stdout.

But a non-switch argument specifies the file[.tex] to translate to file.xml.

Diagnostics concerning unknown or untranslated constructs are sent to stderr.

<div class="p"><!----></div>

  Obtain USAGE </td><td width="150">

 switch information by:   ttm -?

  Obtain QUALIFICATIONS by:               ttm -?q

<div class="p"><!----></div>

TtM may be used and distributed under the terms of the GPL version 2.
<br />&nbsp;<br /><div align="right">[ <a class="link" href="exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3Aa_i_nevazon_teszt_01ha_071208_10" target="_blank" onclick="mutat('exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3Aa_i_nevazon_teszt_01ha_071208_10'); return false;">&nbsp;Megoldás&nbsp;</a>&nbsp;] </div></div>
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