把下面各比化成最简单的整数比 3分之4:1.6 6分之5:8分之5 5分之3km:800m
问题描述:
把下面各比化成最简单的整数比 3分之4:1.6 6分之5:8分之5 5分之3km:800m
答
3分之4:1.6
=4/3:8/5
=(4/3x15):(8/5x15)
=20:24
=5:6
6分之5:8分之5
=(5/6x24):(5/8x24)
=20:15
=4:3
5分之3km:800m
=600m:800m
=600:800
=3:4