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15 questions
12+3
17
19
15
13
7+5
10
14
12
16
14+2
17
15
18
16
10+5
17
14
16
15
6+7
10
13
15
14
10+7
15
18
20
17
9+5
13
15
14
12
7+9
14
15
16
14
10+10
19
18
20
21
15+3
17
18
20
19
12-6
7
5
6
4
10-7
4
5
2
3
13-6
7
5
8
9
15-5
11
9
12
10
17-8
10
9
11
8
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