Đáp án:
1) (- 6 - 2) . (-6 + 2)
= -8.-4=32
2/ (7 . 3-3) : (-6)
= (21-3):(-6)
=18:-6=-3
3/ (-5 + 9) . (-4)
= 4.(-4) = -16
4/ 72 : (-6 . 2+4)
= 72: (-12+4)
= 72:-8
= -9
5/ -3. 7 - 4. (-5) + 1
= -21 +20 +1
=0
6/ 18 - 10 : (+2) -7
= 18-5-7 = 6
7/ 15 : ( - 5) . ( -3) -8
= -3.(-3) -8
= 9-8 =1
8/ (6. 8 - 10 : 5) + 3 . (-7)
= (48-2)-21
= 25