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14.5加7.65乘4加25.5加2.35乘4加40.简便计算
人气:217 ℃ 时间:2020-06-19 09:41:31
解答
14.5+7.65*4+25.5+2.35*4+40 =(14.5+25.5)+(7.65+2.35)*4+40 =40+10*4+40 =120
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