5.79乘以37加5.79乘以28加5.79乘以35的简便方法

题目

5.79乘以37加5.79乘以28加5.79乘以35的简便方法

答案

5.79*37+5.79*28+5.79*35
=5.79*（37+28+35）
=5.79*100
=579