(0.44X5X7.8)除(0.25X1.1x0.39)?
1个回答
2022-09-19
展开全部
0.44*5*7.8/(0.25*1.1*0.39)
=1.1*0.4*0.25*20*0.39*20
/(0.25*1.1*0.39)
=0.4*20*20 0.25*1.1*0.39都约分为1了
=8*20
=160
=1.1*0.4*0.25*20*0.39*20
/(0.25*1.1*0.39)
=0.4*20*20 0.25*1.1*0.39都约分为1了
=8*20
=160
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