(46.5*50%-3)除以5/6有简便算法吗?
问题描述:
(46.5*50%-3)除以5/6有简便算法吗?
答
(46.5x50%-3)÷5/6
=46.5x5/10x6/5-3x6/5
=4.65x6-18/5
=6x(4.65-0.6)
=6x4.05
=24.3