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МатематикаВопрос:
Задание 105: Найдите значение выражения (3 1/7 + 1 3/14) - (8 5/14 - 3 1/2).
Ответ:
Приведем все дроби к общему знаменателю. Вычислим сумму (3 1/7 + 1 3/14) = 4 5/14 и разность (8 5/14 - 3 1/2) = 5 0/14. Тогда выражение равно (4 5/14 - 5 0/14) = - 9/14.
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