
Помогите пожалуйста !!! в строку 1) 6 5/6-2 1/4 - 5/6 2)7/9 : (-2/27) : (-5 1/4) *1 2/7


Ответы на вопрос




Решение:
1) Давайте решим первое выражение: 6 5/6 - 2 1/4 - 5/6.
Сначала приведем все дроби к общему знаменателю, который равен 12:
6 5/6 = 6 * 6/6 + 5/6 = 36/6 + 5/6 = 41/6
2 1/4 = 2 * 4/4 + 1/4 = 8/4 + 1/4 = 9/4
Теперь вычтем 5/6:
41/6 - 9/4 = (41 * 2)/(6 * 2) - (9 * 3)/(4 * 3) = 82/12 - 27/12 = 55/12
Ответ: 55/12
2) Теперь решим второе выражение: 7/9 : (-2/27) : (-5 1/4) * 1 2/7.
Сначала выполним деление:
7/9 : (-2/27) = 7/9 * (-27/2) = -189/18 = -21/2
Затем выполним умножение:
-21/2 : (-5 1/4) * 1 2/7 = -21/2 * (-21/4) * 9/7 = 441/8 * 9/7 = 441/56 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7 = 441/8 * 9/7


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