Решить пример.
2 1/6- 1 5/6+3 2/6 - 2 5/6
(9 12/25 - 8 16/25) +4 17/25
7 2/21- 2 10/21
2 1/6- 1 5/6+3 2/6 - 2 5/6
(9 12/25 - 8 16/25) +4 17/25
7 2/21- 2 10/21
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2 1/6 - 1 5/6 + 3 2/6 - 2 5/6 = 5/61) 2 1/6 - 1 5/6 = 1 7/6 - 1 5/6 = 2/6
2) 2/6 + 3 2/6 = 3 4/6
3) 3 4/6 - 2 5/6 = 2 10/6 - 2 5/6 = 5/6
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(9 12/25 - 8 16/25) + 4 17/25 = 5 13/25
1) 9 12/25 - 8 16/25 = 8 37/25 - 8 16/25 = 21/25
2) 21/25 + 4 17/25 = 4 38/25 = 5 13/25
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7 2/21 - 2 10/21 = 6 23/21 - 2 10/21 = 4 13/21