реши уравнение
53,76 :(4,248- 1,56x) + 3,8=55

4,248-1,56х=53,76:(55-3,8)4,248-1,56х=53,76:51,24,248-1,56х=1,051,56х=4,248-1,051,56х=3,198х=3,198:1,56х=2,05проверка53,76:(4,248-1,56*2,05)+3,8=5553,76:(4,248-3,198)+3,8=5553,76:1,05+3,8=5555=55