2/3z+5/6z-7/9z=59/60 решите уравнение плиз
2/3z + 5/6z - 7/9z = 59/60 12/18z + 15/18z - 14/18z = 59/60 13/18z = 59/60 z = 59/60 : 13/18 z = 59/60 * 18/13 = 177/130 z = 1 47/130