题目

34.8*6.3+13*5.25+473*0.37
通过公因式的变形 简便运算

提问时间：2020-08-02

答案

34.8×6.3+13×5.25+473×0.37
=348×0.63+125×0.37+348×0.37+13×5.25
=348×1+ 125×0.37+13×5.25
=348+1.25×37+13×1.25+13×4
=348+1.25×40+13×4
=348+50+52
=450