(4.69乘8.92+53.1乘0.892)除以8.92的简便运算

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(4.69乘8.92+53.1乘0.892)除以8.92的简便运算

(4.69乘8.92+53.1乘0.892)除以8.92的简便运算
(4.69乘8.92+53.1乘0.892)除以8.92的简便运算

(4.69乘8.92+53.1乘0.892)除以8.92的简便运算
=4.69*1+53.1*0.1=4.69+5.31=10

把8.92约掉得:原式=2.69+5.31=8

(4.69乘8.92+53.1乘0.892)除以8.92
=4.69×8.92÷8.92+53.1×0.892÷8.92
=4.69+5.31
=10