Предмет: Математика, автор: e63396801

Завдання № 3. Обчисліть значення виразу найзручнішим способом: 3 1/14 * 9 1/3 + 13/28 * 9 1/3 - 9 1/3 * 1 2/7

e63396801: Срочно

Ответы

Автор ответа: melni4enko7828

Ответ:

Пошаговое объяснение:

(3 1/14+13/28-1 2/7)*9 1/3=(3 15/28 - 1 2/7)*9 1/3 = 2 1/4 * 9 1/3 = 9/4*28*3=252/12=21

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