计算:(1)a*(a²)³ (2)(-b的4次方)³-(b³)的4次方
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计算:(1)a*(a²)³ (2)(-b的4次方)³-(b³)的4次方
计算:(1)a*(a²)³ (2)(-b的4次方)³-(b³)的4次方
计算:(1)a*(a²)³ (2)(-b的4次方)³-(b³)的4次方
1、a*(a²)³
=a*a^6
=a^7
2、(-b^4)³-(b³)^4
=-b^12-b^12
=-2b^12
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