求比值 91分之81 5.6比0.24 7分之6比4分之9 化简比 32比1.8 0.16比5.2 21比9分之14 15分之11比5分之4
人气:481 ℃ 时间:2019-08-18 10:37:40
解答
91分之81 =91 :81
5.6比0.24 =70 :3
7分之6比4分之9 =8 :21
化简比
32比1.8 =160/9
16比5.2 =40/13
21比9分之14 =13.5
15分之11比5分之4=11/12
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