0.463.50.8怎样简便计算

分类: 作业答案 • 2022-01-07 12:44:32

问题描述：

0.46*3.5*0.8怎样简便计算

答

=0.46*（0.5+3)*0.8
=(0.23+1.38)*0.8
=1.61*0.8
=(1.5+0.11)*0.8
=1.5*0.8+0.11*0.8
=1.2+0.088
=1.288

0.46*3.5*0.8怎样简便计算