1.25乘67.875+125乘6.7825+1.25乘53.875 怎样简便计算（最好有过程哟!

分类: 作业答案 • 2021-12-28 16:34:41

问题描述：

答

1.25×67.875+125×6.7825+1.25×53.875＝125×0.67875+125×6.7825+125×0.53875＝125×（0.67875+6.7825+0.53875）＝125*8＝1000