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20 questions
9 x 1 =
9
10
81
98
9 x 0
0
1
20
10
9 x 5
45
54
63
36
9 x 7
63
36
54
45
0 x 9
1
9
0
10
1 x 9
9
10
36
37
3 x 9
27
36
63
54
4 x 9
36
37
27
54
4 x 9
36
35
45
54
5 x 9
45
63
27
14
6 x 9
54
15
45
63
9 x 9
81
18
10
1
8 x 9
72
18
27
36
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