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

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