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
答
4.58x(25.1+63.5+11.4)
答
4.58*25.1+45.8*6.35+0.458*114
=45.8*2.51+45.8*6.35+45.8*1.14
=45.8*(2.51+6.35+1.14)
=45.8*10
=458
答
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