计算:(5a²b-3ab-1)(-3a²)三次方
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计算:(5a²b-3ab-1)(-3a²)三次方
计算:(5a²b-3ab-1)(-3a²)三次方
计算:(5a²b-3ab-1)(-3a²)三次方
您好:
(5a²b-3ab-1)(-3a²)三次方
=(5a²b-3ab-1)(-27a的6次方)
=-135a的8次方吧+81a的7次方b+27a的6次方
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