1)6/11 :(-12/33) + 7/10 = 6/11*(-33/12)+7/10= - 8/10= - 4/5= - 0,8
2)1/2 -2/5 *(- 15/24) = 1/2+ 3/12 = 9/12=3/4 = 0,75
3) 1 - 5/6 *12/17 = 1- 10/17 = 17/17 - 10/17 = 7/17
4) 3 + 7/8 *(-4/3) = 3 - 7/6 = 2 целых 6/6 - 1 целая 1/6 = 1 целая 5/6
5)3/25 *35/6 - 3 = 7/10 - 3 = 7/10 - 2 целых 10/10 = - 2 целых 3/10
6)14/15 *10/21 - 2 = 4/9 - 2= 4/9 - 1 целая 9/9 = - 1 целая 5/9