1.原式=1/2X4-1/3X1/4X4=2-1/3=5/3
2.原式=(1-0.25)X0.375+1.625=2-1/4X3/8=2-3/32=61/32
(能简算的要简算啊!) 1.(2分之1—3分之1×75%)÷0.25 2.75%×0.375+1.625
(能简算的要简算啊!) 1.(2分之1—3分之1×75%)÷0.25 2.75%×0.375+1.625
数学人气:506 ℃时间:2020-01-29 08:27:35
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