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用简便算法计算:0.125×3.2-0.25×0.16=
人气:323 ℃ 时间:2020-01-29 20:12:42
解答
0.125×3.2-0.25×0.16
=0.125*8*0.4-0.25*4*0.04
=1*0.4-1*0.04
=0.4-0.04
=0.36
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