-10 + -16
4 x -4
-28 - -18
-6 + 23
5 x 7
5 x -9
10 x -5
-21 - - 26
-10 x -10
-132 ÷ 11 = -12
-10 x 8 = 80
10 x -6
-9 - - 21
55 ÷ -11
-4 x -5 = -20
-7 x 6
-11 - 6
-20 ÷ 4
9 x -5
27 - - 30
3 x -11
-25 + 28 = 53
48 ÷ -12
-8 x -4
-23 - - 18
-9 - - 21
-40 ÷ 5
6 - 12
-7 - 21