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21 questions
1 x 2 = ?
2
4
6
8
2 x 2 = ?
3 x 2 = ?
2 x ? = 8
2
4
6
8
2 x 4 = ?
2 x 5 = ?
2 x ? = 12
6
7
8
9
2 x 6 = ?
2 x ? = 14
2 x 7 = ?
14
12
18
16
2 x 8 = ?
14
12
18
16
2 x 9 = ?
14
12
18
16
2 x ? = 18
2 x ? = 20
2 x 10 = ?
20
18
22
10
2 x 11 = 20
False
True
2 x 11 = ?
2 x ? = 24
2 x 12 = ?
24
22
20
18
2 x 7 = 14
True
False
2 x 8 = 18
True
False
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