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Dyscalc
2 + 7
6 + 2
3 + 6
6 + 1
7 + 2
2 + 5
6 + 2
3 + 5
4 + 3
1 + 6
4 + 3
6 + 1
2 + 6
6 + 1
6 + 1
5 + 4
7
8
9
verification off
reset
options