初一有理数的乘法,计算 (1/2)×(2/3)×(-0.25)×3/2= (-4)×2/3×(-0

问题描述:

初一有理数的乘法,计算 (1/2)×(2/3)×(-0.25)×3/2= (-4)×2/3×(-0
初一有理数的乘法,计算
(1/2)×(2/3)×(-0.25)×3/2=
(-4)×2/3×(-0.25)×3/2=
(-5)×(-4)×(-1/4)
(-4又1/20)×(+2.5)×(-8)

-1/6
1
-5
-81