Решите уравнение t+1=4/9+2/9
T + 1 = 4/9 + 2/9 t + 1 = 6/9 t = 6/9 - 1 t = 6/9 - 9/9 t = - 3/9 = - 1/3 - 1/3 + 1 = 4/9 + 2/9 - 1/3 + 3/3 = 6/9 2/3 = 2/3