计算:(-x)눀x대·(-2y)대-(-2xy)눀·(-3x)대y。

2025-01-07 02:44:10
推荐回答(3个)
回答1:

计算:(-x)²x³·(-2y)³-(-2xy)²·(-3x)³y

解:原式=-8x⁵y³-(4x²y²)(-27x³y)=-8x⁵y³+108x⁵y³=100x⁵y³.

回答2:

(-x)²x³·(-2y)³-(-2xy)²·(-3x)³y。
=x²x³×(-8y³)-4x²y²×(-27x³y)
=-8x的5次方y³+108x的5次方y³
=100x的5次方y³

回答3:

  (-x)²x³·(-2y)³-(-2xy)²·(-3x)³y
  =-8x^5y³-4x²y²·﹙﹣27x³﹚y
  =-8x^5y³+108x^5y³
  =100x^5y³