化简下面比值 8/7:4/3 0.4:2 4:4/7 51/34

问题描述:

化简下面比值 8/7:4/3 0.4:2 4:4/7 51/34

8/7:4/3 =6:7
0.4:2 =1:5
4:4/7 =7:1
51/34=3:2