化简下面各比,并求比值.6.4:4.8 4/2:5 4/35:3/21 4:1/2

问题描述:

化简下面各比,并求比值.6.4:4.8 4/2:5 4/35:3/21 4:1/2

6.4:4.8 = 64 :48 = 4 :3 比值4/3
4/2:5 = 2 :5 比值 2/5
4/35:3/21 = 4 :5 比值 4/5
4:1/2 = 8 :1 比值 8