Предмет: Математика, автор: Vorobeiilya

По действиям.40балов

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Ответы

Автор ответа: itsdimik10
1

Ответ:

Прикрепил выше

Пошаговое объяснение:

Прикрепил выше.

Приложения:
Vorobeiilya: Я по действиям просил
Автор ответа: iramazurk
1

Пошаговое объяснение:

1) 3. 5/27 - 2. 9/14 = 3. 70/378 - 2. 243/378 = 2. 448/378 - 2. 243/378 = 205/378

2) 1. 1/6 + 1. 1/3 = 1. 1/6 + 1. 2/6 = 2. 3/6 = 2. 1/2

3) 1. 13/15 : 2. 1/2 = 28/15 : 5/2 = 28/15 * 2/5 = 56/75

4) 205/378 + 56/75 = 5125/9450 + 7056/9450 = 12181/9450 = 1. 2731/9450

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