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15 questions
4 + 5 =
10 + 10 =
8 + 8 =
9 + 8 =
4 + 4 =
12 + 8 =
11 + 9 =
7 + 5 =
9 + 7 =
11 + 7 =
12 + 7 =
14 + 5 =
12 + 6 =
9 + 10 =
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