作业帮化简:(1)(x²/-y)的5次方·(y²/-x)³; (2)(-y/x)²÷（-y/x²）³.
来源：学生作业帮助网 编辑：作业帮 时间：2024/07/19 06:27:50
x){3+
CM
5eCs k}JZLYlC5*a n>D{:@|NB="}Z[_`gCd6XnPD~%B" *Rh aC*!. ι0'UBA-Dr ̝6yv
化简:(1)(x²/-y)的5次方·(y²/-x)³; (2)(-y/x)²÷（-y/x²）³.
化简:(1)(x²/-y)的5次方·(y²/-x)³; (2)(-y/x)²÷（-y/x²）³.
化简:(1)(x²/-y)的5次方·(y²/-x)³; (2)(-y/x)²÷（-y/x²）³.
(1)(x²/-y)的5次方·(y²/-x)³
=-x的10次方/y的5次方*（-y的6次方/x的3次方）
=x的7次方y
(2)(-y/x)²÷（-y/x²）³
=y²/x²÷(-y³/x的6次方)
=-x的4次方/y