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20 questions
4
16
32
23
9×3
27
45
63
45
4×2
5
6
10
8
5×5
45
25
10
5
1×1
2
11
1
3
10×10
100
10
11
111
3×5
8
15
25
8
7×7
14
23
49
24
6×5
30
11
35
36
5×1
10
6
4
5
9×9
81
18
68
8
8
7
2
12
4×4
4
8
16
9
10×5
15
50
51
5
6×9
54
45
66
55
1×8
1
9
5
8
9×4
63
36
30
32
4×7
28
82
8
18
5×8
40
13
8
82
5×7
53
45
35
65
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