化简下面各比,并求出比值.3/20:3/8 0.625:3/4 0.3:0.18

问题描述:

化简下面各比,并求出比值.3/20:3/8 0.625:3/4 0.3:0.18
3/20:3/8
0.625:3/4
0.3:0.18

3/20:3/8 = 2/5 = 0.4;
0.625:3/4 = 1/12
0.3:0.18 = 5/3