Решите уравнение 15/22-(4-1 5/6):х=1 5/33
15/22-(4-1 5/6):х=1 5/33 15/22-2 1/6:х=1 5/33 15/22 - 1 5/33 = 2 1/6:х 45/66 - 1 10/66= 13/6 :х 45/66 - 76/66= 13/6 :х - 31/66= 13/6 :х - 31/66х= 13/6 х=13/6 : (-31/66) х=13/6 * (-66/31) х=- 13*11 / 31 х=- 143/31 х=- 4 19/31