4800除以45 简便算法
问题描述:
4800除以45 简便算法
答
4800/45
=4800*2/45*2
=9600/90
=960/9
=320/3
4800除以45 简便算法
4800/45
=4800*2/45*2
=9600/90
=960/9
=320/3