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5.7乘以0.11加11乘以0.743的简便算法
人气:405 ℃ 时间:2020-04-23 07:27:40
解答
5.7*0.11+11*0.743 =5.7*0.11+74.3*0.11 =(5.7+74.3)*0.11 =8.8
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