CHRONO

-INF s.

Additions à trous (a + b + ? = s <= 20).

CHRONO

0 s.
8 + 7 + = 20
4 + 3 + = 12
3 + 5 + = 17
6 + 1 + = 15
1 + 6 + = 8
3 + 6 + = 11
3 + 4 + = 14
2 + 6 + = 12
2 + 2 + = 10
9 + 1 + = 19
4 + 8 + = 19
9 + 4 + = 18
6 + 6 + = 20
5 + 6 + = 16
2 + 4 + = 10
9 + 4 + = 19
1 + 8 + = 14
1 + 7 + = 17
3 + 1 + = 9
9 + 3 + = 18