计算(1/4x²y3次方)÷(3/4x3次方y4次方)×(-4xy)

问题描述:

计算(1/4x²y3次方)÷(3/4x3次方y4次方)×(-4xy)

(1/4x²y3次方)÷(3/4x3次方y4次方)×(-4xy)
=(1/4﹚×﹙4/3﹚﹙x²÷x³﹚﹙y3次方÷y4次方)×(-4xy)
=﹙1/3﹚x负1次方Y负1次方×(-4xy)
=-4/3