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20 questions
8 + 6 = ?
9 + 9 = ?
6 + 7 = ?
11 + 5 = ?
12 - 5 = ?
3 + ___ = 10
10 - ____ = 4
8 + 3 = ?
20 - 11 = ?
12 - 6 = ?
5 + 6 = ?
8 + 20 = ?
9 + ____ = 9
16 - 6 = ?
13 + 7 = ?
9 + 4 = ?
7 + 9 = ?
14 - 9 = ?
12 - 4 = ?
____ + 6 = 17
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