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 <question type="category"><category><text>4t ESO/4.02 POTÈNCIES I ARRELS/4.02.2 Arrels</text></category></question>
 
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      <text>4.02.2.230 TEORIA Radicals semblants/Agrupar</text>
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<td style="background-color: #000099;" align="center" valign="middle"><span style="font-size: large; color: #ffff99;" data-mce-mark="1">Radicals semblants/agrupar</span></td>
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<p style="text-align: justify;"><span style="font-size: small; color: #000080;" data-mce-mark="1"><strong>Dos radicals són <span style="text-decoration: underline;" data-mce-mark="1"><span style="font-size: small; color: #000080; text-decoration: underline;" data-mce-mark="1">semblants</span></span> si tenen <span style="text-decoration: underline;" data-mce-mark="1">el </span><span style="font-size: small; color: #000080;" data-mce-mark="1"><span style="text-decoration: underline;" data-mce-mark="1">mateix índex i el mateix radicand</span>. Es poden agrupar sumant els coeficients: </span></strong></span></p>
<p><span style="font-size: small; color: #000080;"><strong style="color: #000080; line-height: 1.4;"> «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mn mathvariant=¨bold¨ mathcolor=¨#00007F¨»7«/mn»«mroot mathcolor=¨#00007F¨»«mn mathvariant=¨bold¨»5«/mn»«mn mathvariant=¨bold¨»3«/mn»«/mroot»«mo mathvariant=¨bold¨ mathcolor=¨#00007F¨»+«/mo»«mn mathvariant=¨bold¨ mathcolor=¨#00007F¨»3«/mn»«mroot mathcolor=¨#00007F¨»«mn mathvariant=¨bold¨»5«/mn»«mn mathvariant=¨bold¨»3«/mn»«/mroot»«mo mathvariant=¨bold¨ mathcolor=¨#00007F¨»-«/mo»«mn mathvariant=¨bold¨ mathcolor=¨#00007F¨»4«/mn»«mroot mathcolor=¨#00007F¨»«mn mathvariant=¨bold¨»5«/mn»«mn mathvariant=¨bold¨»3«/mn»«/mroot»«mo mathvariant=¨bold¨ mathcolor=¨#00007F¨»=«/mo»«mn mathvariant=¨bold¨ mathcolor=¨#00007F¨»6«/mn»«mroot mathcolor=¨#00007F¨»«mn mathvariant=¨bold¨»5«/mn»«mn mathvariant=¨bold¨»3«/mn»«/mroot»«/math»       </strong></span></p>
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