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8.95乘0.25减0.95乘0.25等于几?
急!
人气:464 ℃ 时间:2019-12-07 02:30:51
解答
8.95*0.25-0.95*0.25
=(8.95-0.95)*0.25(乘法结合律)
=8*0.25
=2
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