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10 questions
2 + 31 =
32
2 31
23
3 21
3 + 41 =
3 41
43
4 31
34
1 + 32 =
23
2 31
1 32
3 21
7 + 32 =
7 32
37
73
8 + 52 =
58
85
810
8 52
9 + 41 =
9 41
49
410
94
4 + 32
38
43
4 32
314
5 + 72 =
5 72
737
710
59
3+ 81 =
3 81
825
811
183
2 + 43 =
41
243
411
45
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