14.37×7.88-9.37×7.38+1.437×21.2-93.7×0.262

问题描述:

14.37×7.88-9.37×7.38+1.437×21.2-93.7×0.262
1个回答 分类:数学 2014-10-04

问题解答:

我来补答
14.37×7.88-9.37×7.38+1.437×21.2-93.7×0.262
=14.37×7.88-9.37×7.38+14.37×2.12-9.37×2.62
=14.37×(7.88+2.12)-9.37×(7.38+2.62)
=14.37×10-9.37×10
=(14.37-93.7)×10
=5×10
=50
 
 
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