14,529 + (2,461-1,8)
2.461 - 1.8 = 0.661 14.529 + 0.661 = 15.19
Решаем устно: 14,529 + (2,461-1,8) = (14,529 + 2,461) -1,8 = 16,99 - 1,80 = 15,19