计算:-1/9除以2/3 计算:(-20)*5/6除以4/9*(-2)的4次方

问题描述:

计算:-1/9除以2/3 计算:(-20)*5/6除以4/9*(-2)的4次方

-1/9除以2/3
=(-1/9)x(3/2)
=-1/6
(-20)*5/6除以4/9*(-2)的4次方
=(-20)x(5/6)x(9/4)x(-2)
=5x5x3
=75