Предмет: Математика, автор: arinasamodelok

Помогите пж
Знайди добуток.: 1)8/9×1. 2/7
2) 7. 1/12 ×1. 1/15

Ответы

Автор ответа: jekadva
1

Ответ:

Пошаговое объяснение:

1)8/9×1. 2/7 = 8/9 × 9/7 = 8/7 = 1. 1/7

2) 7. 1/12 ×1. 1/15 = 85/12 × 16/15 = 17/3 * 4/3 = 68/9 = 7. 5/9

arinasamodelok: Спасибо большое
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