Вычислите(10 1/8-17):2.75-7.6

(10 1/8 - 17) : 2.75 - 7.6 = -10 1/10. 

1) 10 1/8 - 17 = 10 1/8 - 16 8/8 = -6 7/8; 

2) -6 7/8 : 2,75 = -6 7/8 : 275/100 = -55/8 : 275/100 = - 55/8 * 100/275 =  - (55 * 100)/(8 * 275) = -5500/2200 = -55/22 = -2 11/22 = -2 1/2. 

3) -2 1/2 - 7,6 = -2 1/2 - 7 6/10 = -5/2 - 76/10 = -(5*5)/(2*5) - 76/10 = - 25/10 - 76/10 = -101/10 = -10 1/10. 

Ответ:  -10 1/10.