Вычислите:
1) 4 - 1 4/7
2) 10 - 9 3/10
3) 5 2/7 - 2 5/7
4) 14 6/20 - 8 12/20
5) 8 3/14 - 5 9/14
6) 7 10/21 - 4 16/21
7) 14 8/31 - 6 8/31
8) (12 5/22 + 7 17/22) - (13 7/23 - 9 15/23)
1) 4 - 1 4/7
2) 10 - 9 3/10
3) 5 2/7 - 2 5/7
4) 14 6/20 - 8 12/20
5) 8 3/14 - 5 9/14
6) 7 10/21 - 4 16/21
7) 14 8/31 - 6 8/31
8) (12 5/22 + 7 17/22) - (13 7/23 - 9 15/23)
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Answers & Comments
2) = 7/10
3) = 2 4/7
4) = 5 14/20
5) = 2 8/14
6) = 2 15/21
7) = 8
8) = 20 - 3 15/23 = 6 8/23