Решите уравнение 1 5/6–(х–7/12)+2 1/12 =0,9 и - вопрос №8275465156712211209 от konulrzayevaa2 04.10.2021 10:58

Question

Математика: Решите уравнение 1 5/6–(х–7/12)+2 1/12 =0,9 и

konulrzayevaa2 · Answer

1 5/6 - (x - 7/12) + 2 1/12 = 0,91 5/6 - (x - 7/12) = 9/10 - 2 1/121 5/6 - (x - 7/12) = 54/60 - 2 5/601 5/6 - (x - 7/12) = 54/60 - 1 65/601 5/6 - (x - 7/12) = -1 11/60x - 7/12 = 1 5/6 - (-1 11/60)x - 7/12 = 1 50/60 + 1 11/60x - 7/12 = 2 61/60x - 7/12 = 3 1/60x = 3 1/60 + 7/12x = 3 1/60 + 35/60x = 3 36/60x = 3 6/10x = 3,6ответ: 3,6...