18:16 4/5:2/3 4:0.5 5/7:10/11 5:2/5 7/10:2.7 5/6:5/9 0.35:0.5 1.2:15 0.32:0.56 1.8:6/5 化简比 下64:0.8求比值

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18:16 4/5:2/3 4:0.5 5/7:10/11 5:2/5 7/10:2.7 5/6:5/9 0.35:0.5 1.2:15 0.32:0.56 1.8:6/5 化简比 下64:0.8求比值
18:16 4/5:2/3 4:0.5 5/7:10/11 5:2/5 7/10:2.7 5/6:5/9 0.35:0.5 1.2:15 0.32:0.56 1.8:6/5 化简比 下
64:0.8求比值

18:16 4/5:2/3 4:0.5 5/7:10/11 5:2/5 7/10:2.7 5/6:5/9 0.35:0.5 1.2:15 0.32:0.56 1.8:6/5 化简比 下64:0.8求比值
18:16 =9:8
4/5:2/3 =6:5
4:0.5 =8:1
5/7:10/11 =11:14
5:2/5 =25:2 7/10:2.7 =7:27
5/6:5/9 =3:2 0.35:0.5 =7:10
1.2:15=2:25 0.32:0.56 =4:7 1.8:6/5=3:2
64:0.8=80
要采纳先回答的正确答案.是对答题者劳动的尊重.