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<title>Matkönyv tanári kézikönyv: Algebra 7--8</title>
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</div></div><div align="center" class="tochead"><h1>9. FEJEZET: Műveleti azonosságok (teszt)</h1></div>
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    <div class="flec">Bezárás: <a class="flec" href="#">[ X ]</a> </div>
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<div class="feladat"><b>Feladat: 9.1.</b><br /> <a name="algI_GHP_187_teszt_01" /><a href="bib_box.php?mode=tnehstj-&amp;citation_num=" target="bib_box" onclick="mutat('bib_box.php?mode=tnehstj-&amp;citation_num='); return false;"></a>Legyen <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>A</m:mi><m:mo>=</m:mo><m:mn>472</m:mn><m:mo>,</m:mo><m:mn>124</m:mn><m:mo>+</m:mo><m:mn>4511</m:mn><m:mo>,</m:mo><m:mn>67</m:mn></m:mrow></m:math>. Állapítsuk meg fejben, hogy <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> és <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>Z</m:mi></m:mrow></m:math> közül melyik egyenlő

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

<m:mrow><m:mn>10</m:mn><m:mi>A</m:mi></m:mrow></m:math>-val!

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

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

<m:mrow><m:mi>X</m:mi><m:mo>=</m:mo><m:mn>4721</m:mn><m:mo>,</m:mo><m:mn>24</m:mn><m:mo>+</m:mo><m:mn>4511</m:mn><m:mo>,</m:mo><m:mn>67</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:mi>Y</m:mi><m:mo>=</m:mo><m:mn>472</m:mn><m:mo>,</m:mo><m:mn>124</m:mn><m:mo>+</m:mo><m:mn>45116</m:mn><m:mo>,</m:mo><m:mn>7</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:mi>Z</m:mi><m:mo>=</m:mo><m:mn>4721</m:mn><m:mo>,</m:mo><m:mn>24</m:mn><m:mo>+</m:mo><m:mn>45116</m:mn><m:mo>,</m:mo><m:mn>7</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 />

<br />

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

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

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

<m:mrow><m:mi>Z</m:mi></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: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> is&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>E)</b>&nbsp;&nbsp;&nbsp; egyik sem<br />
<br /><a name="_solution_algI_GHP_187_teszt_01" /><b>Megoldás: 9.1</b><br />
