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