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Jiangsu Education Press, fifth grade, second volume, mathematics supplementary exercise, page 39, answer.
1. Answer: 3, 2, 2, 1, 2;

2. Answer:1/4,3/4,1/5,3/5;

3. Answer: 25, 1/6, 5/6;

4. Answer: 25 divided by 60 is about 0.42 hours, 0.42 >; Xiao Ting's home is far from school.

I hope I can help you. O(∩_∩)O Thank you

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