化简比0.75:3/81又3/4:0.25 25:0.125 7/8:1/4 25%:3/5 45:30 3/5:1/6 0.25/2:5/0.75

问题描述:

化简比0.75:3/8
1又3/4:0.25 25:0.125 7/8:1/4 25%:3/5 45:30 3/5:1/6 0.25/2:5/0.75