Ответ:

-43

Пошаговое объяснение:

1) -1 1/4 + 2 1/16 = -1 4/16 + 2 1/16 = -1 4/16 + 1 17/16 = 13/16

2) 13/16 - 3 1/2 = 13/16 - 3 8/16 = 13/16 - 2 24/16 = -2 11/16

3) 16 * (-2 11/16) = 16 * (-43/16) = 1 * (-43/1) = -43/1 = -43