6/7 - 2/3 = 11/12 - 5/6 = 4/9 + 1/6 = 7/15 + 3/40 =
6/7 - 2/3 =
11/12 - 5/6 =
4/9 + 1/6 =
7/15 + 3/40 =
Ответ(ы) на вопрос:
Гость
= 18/21 - 14/21 = 4/21
= 11/12 - 10/12 = 1/12
= 8/18 + 3/18 = 11/18
= 56/120 + 9/120 = 65/120 = 13/24
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