а) (4a + 3.6) - (2a - 1.6) = 4a + 3.6 - 2a + 1.6 = 2a + 5.2
б) (5x - 13y) - (3y - x) + (11 - 10y) = 5x - 13y - 3y + x + 11 - 10y = 6x - 26y + 11
а) (4a + 3.6) - (2a - 1.6) = 4a + 3.6 - 2a + 1.6 = 2a + 5.2
б) (5x - 13y) - (3y - x) + (11 - 10y) = 5x - 13y - 3y + x + 11 - 10y = 6x - 26y + 11