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20 questions
3(2 - 1)
9
4
3
6
6(1+2)
18
15
8
12
2(4 - 2)
10
6
3
4
8(6 + 4)
10
80
54
58
3(10 - 2)
24
14
28
18
-3(1 + 2 + 4)
-12
-21
3
21
6(2 - 5 + 1)
24
-6
8
-12
4(6 - 8 - 4)
-24
10
8
24
-8(-4 + 2 -1)
-12
24
10
-24
-2(3 - 10 + 7)
3
0
-18
-11
5(-2 + 3 + 1 - 6)
16
-10
-20
2
-4(3 + 9 - 11 - 4)
-8
12
36
18
1(5 + 8 - 10 - 4)
-1
-6
-10
1
-3(-8 - 4 - 3 - 9)
15
-36
27
72
-4(8 - 6 + 10 - 3 - 2)
-8
-28
-36
12
3(5 + 7) - 4(8 + 4)
-12
-16
10
36
-5(2 - 6) - (20 + 8)
28
12
-8
-16
-2(-8 + 7) + 3(2 - 3)
9
-6
2
-1
-4(1 + 3 - 2) - 2(4 + 6 - 8)
4
-12
-32
16
5(7 - 4 + 3 - 5) - 3(6 - 7 - 4 - 3)
29
58
55
70
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