1.25×7.1＋0.125×2.6+0.375,简便算法

分类: 作业答案 • 2021-12-29 15:00:39

问题描述：

答

=0.125*10*7.1+.125*2.6+.125*3
=.125*(71+2.6+3)
=.1/8*76.6
=9.575