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Editing a Embedded answers (Cloze) - math & science question by WIRIS
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<div align="justify"><span style="color: #003300;"><strong>En un progressió aritmètica, el primer terme és #a_1 i la diferència #d. A partir d'aquestes dades, deduïu el valor: </strong></span></div> <ul> <li><span style="color: #003300;"><strong>del terme a<sub>#n</sub> = {1:SA: ~=#a}</strong></span></li> </ul> <ul> <li><span style="color: #003300;"><strong>de la suma dels #n primers termes: Sn = {1:SA: ~=#S}</strong></span></li> </ul>
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<p><span style="color: #006600;"><strong>Només cal aplicar les expressions teòriques de a<sub>n</sub> i S<sub>n</sub></strong></span></p>
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Thursday, 23 August 2018, 11:09 AM
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