Question

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Answer 1

Ответ:

1) 10 2/5 + 3 3/5 = 13 5/5 = 14

2) 18 13/27 + 10 20/27 = 28 33/27 = 29 6/27

3) 1 - 13/17 = 4/17

4) 15 - 12 12/13 = 2 1/13