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10 questions
0 + 4 =
7
6
5
4
1 + 4 =
8
7
4
5
2 + 4 =
6
5
4
3
3 + 4 =
0
9
8
7
4 + 4 =
8
9
4
5
5 + 4 =
8
9
7
6
6 + 4 =
7
8
10
9
3 + 4 =
0
9
8
7
3 + 4 =
0
9
8
7
2 + 4 =
6
5
4
3
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