(-8分之5)x(-4)的二次方-0.25x(-5)x(-4)的三次方

问题描述:

(-8分之5)x(-4)的二次方-0.25x(-5)x(-4)的三次方

(-8分之5)x(-4)的二次方-0.25x(-5)x(-4)的三次方
=-5/8×16-1/4×(-5)×(-64)
=-10-80
=-90