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