求比值 35:105 39:65 54:27 3/4:6 2/3:6/7 18:6/7 0.9:3

求比值
35:105
39:65
54:27
3/4:6
2/3:6/7
18:6/7
0.9:3.6
7.2:1.8
1吨:25Kg
0.64m:4dm

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1:3. 39:65. 2:1.

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是求最简整数比吗

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fffg

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