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)
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