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62.5*0.075+0.625+0.15*6.25怎样简算?列式.
人气:325 ℃ 时间:2020-03-18 09:10:01
解答
62.5*0.075+0.625+0.15*6.25
=6.25*0.75+6.25*0.1+0.15*6.25
=6.25*(0.75+0.1+0.15)
=6.25*1
=6.25
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