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10 questions
9+(−8)
1
-17
-1
17
9
3
-9
-3
9−(−3)
12
-6
-12
6
7+(−7)
-14
0
14
7
−4−6
2
10
-10
-2
4−8
-4
4
12
-12
−6−(−5)
-11
1
11
-1
2+(−5)
3
7
-3
-7
0−(−5)
0
5
1
-5
−5+9
-14
14
4
-4
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