Ответ:
-2 47/48
Пошаговое объяснение:
1) 0,125 + 2 1/6 = 1/8 + 2 1/6 = 3/24 + 2 4/24 = 2 7/24
2) 2 7/24 * (-2,5) = 55/24 * (-5/2) = -275/48
3) -275/48 + 3 1/2 = -275/48 + 7/2 = -275/48 + 168/48 = -107/48
4) -107/48 + (-0,75) = -107/48 - 3/4 = -107/48 - 36/48 = -143/48 = -2 47/48