35.7×7.3+13×7.25+482×0.27 - 知识问答

35.7×7.3+13×7.25+482×0.27＝

4个回答

原式=35.7×7.3+13×(7.3-0.05)+48.2×(10-7.3)
=7.3(35.7+13)-13×0.05-48.2*7.3+482
=48.7×7.3-13×0.05-48.2*7.3+482
=0.5×7.3-13×0.05+482
=0.05×73-13×0.05+482
=(73-13)×0.05+482
=3+482
=485

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