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Dyscalc
3 + 2
2 + 3
3 + 2
2 + 3
5 + 1
2 + 8
7 + 3
4 + 1
7 + 3
1 + 9
2 + 3
3 + 3
4 + 6
4 + 1
1 + 5
2 + 4
5
6
10
verification off
reset
options