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14.37×7.88-9.37×7.38+1.437×21.2-93.7×0.262
人气:451 ℃ 时间:2020-01-31 23:34:29
解答
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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