8.5✖️1.47➕2.53✖️8.54用简便运算怎么算

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冠霞月iN

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摘要 8.5×1.47+2.53×8.54=8.5×1.47+2.53×（8.5+0.04）=8.5×（1.47+2.53）+2.53×0.04=8.5×4+2.53×0.04=34+2.53×0.04=34.1012

咨询记录 · 回答于2023-02-07

8.5✖️1.47➕2.53✖️8.54用简便运算怎么算

？

8.5×1.47+2.53×8.54=8.5×1.47+2.53×（8.5+0.04）=8.5×（1.47+2.53）+2.53×0.04=8.5×4+2.53×0.04=34+2.53×0.04=34.1012

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