CHRONO

10 s.

Connaître la table d'addition (addition de 3 nombres).

CHRONO

0 s.
18 = 2 + 9 +
11 = 3 + 6 +
11 = 3 + 2 +
9 = 2 + 1 +
15 = 6 + 1 +
7 + 2 + 1 =
20 = 9 + 3 +
24 = 8 + 8 +
18 = 6 + 6 +
3 + 4 + 8 =
17 = 2 + 9 +
2 + 4 + 8 =
9 + 1 + 1 =
7 + 1 + 2 =
17 = 4 + 8 +
20 = 5 + 8 +
15 = 3 + 3 +
17 = 6 + 7 +
15 = 6 + 8 +
5 + 9 + 5 =