Решите уравнение. 2 1/2: (1/2 x + 5/12)-1 5/6 - вопрос №21212512156237183836 от Никита20071910 30.11.2021 13:38

Question

Математика: Решите уравнение. 2 1/2: (1/2 x + 5/12)-1 5/6 = 2/3

Никита20071910 · Answer

2 1/2 : (1/2х + 5/12) - 1 5/6 = 2/32 1/2 : (1/2х +5/12) = 2/3 + 1 5/6 = 4/6 + 1 5/6 = 1 9/6 = 2 3/6 = 2 1/21/2х + 5/12 = 2 1/2 : 2 1/2 = 11/2х = 1 - 5/12 = 12/12 - 5/12 = 7/12х = 7/12 : 1/2 = 7/12 * 2 = 7/6 = 1 1/6х = 1 целая 1/6Проверка:2 1/2 : (1/2 * 1 1/6 + 5/12) - 1 5/6 = 2/32 1/2 : (7/12 + 5/12) - 1 5/6 = 2/32 1/2 : 1 - 1 5/6 = 2/32 3/6 - 1 5/6 = 1 9/6 - 1 5/6 = 4/6 = 2/3...