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幼苗
共回答了18个问题采纳率:88.9% 举报
7/4÷7/8-2/3×(-6)=7/4*8/7-2/3*(-6)=2+4=6
-0.125÷1/4×(-8)=-0.125*(-8)÷1/4 =1*4=4
(-10/3)×(-2.5)×4×(-3/10)
=(-10/3)×(-3/10)×(-2.5)×4
=1*(-10)
=-10
(-5)×(-0.75)-(-5)×0.125+(-5)×(0.125)
=(-5)*(-0.75-0.125+0.125)
=(-5)*(-0.75)
=3.75
1年前
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