Решитн уравнение (7 4/9-5 2/11х)•1 1/26=1 1/2 - вопрос №470462674952111126112 от kat09062004 23.04.2020 19:46

Question

Математика: Решитн уравнение (7 4/9-5 2/11х)•1 1/26=1 1/2

kat09062004 · Answer

(7 4/9 - 5 2/11х) * 1 1/26 = 1 1/27 4/9 - 5 2/11х = 1 1/2 : 1 1/26 7 4/9 - 5 2/11х = 3/2 : 27/267 4/9 - 5 2/11х = 3/2 * 26/27 = (1*13)/(1*9) = 13/9 = 1 4/95 2/11х = 7 4/9 - 1 4/9 = 6х = 6 : 5 2/11 = 6 : 57/11 = 6 * 11/57 = 66/57 = 1 9/57х = 1 9/57 ...