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15 questions
10+10 =
15
30
20
10
4 + 3 =
5
3
10
7
6 + 2 =
8
4
6
2
5 + 5 =
5
8
10
11
4 + 6 =
4
3
10
12
5 + 6 =
11
8
10
9
5 + 3 =
7
6
9
8
7 + 3 =
11
13
10
12
9 + 2 =
9
2
11
12
3 + 3 =
0
3
6
9
1+ 4 =
4
8
0
5
2 + 4 =
6
3
9
5
4+4=
9
6
8
7
2 + 7 =
9
10
7
8
4 + 5 =
4
3
5
9
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