4.58乘25.1加45.8乘6.35加0.458乘114怎样简便

问题描述:

4.58乘25.1加45.8乘6.35加0.458乘114怎样简便

4.58×25.1+45.8×6.35+0.458×114
=4.58×25.1 +4.58×63.5+ 4.58×11.4
=4.58×(25.1+63.5+11.4)
=4.58×100
=458