38.2x7.5+75+0.75x5.18如何简便方法运算?

来源：学生学帮网编辑：学帮网时间：2024/06/25 03:02:45

38.2x7.5+75+0.75x5.18
=38.2x7.5+10x7.5+7.5x51.8
=(38.2+10+51.8)x7.5
=100x7.5
=750