CHRONO

10 s.

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

CHRONO

0 s.
10 = 4 + 5 +
9 = 2 + 5 +
9 = 6 + 2 +
16 = 4 + 4 +
20 = 5 + 6 +
17 = 9 + 6 +
16 = 6 + 8 +
14 = 7 + 2 +
18 = 8 + 1 +
23 = 9 + 5 +
16 = 9 + 5 +
5 + 1 + 8 =
18 = 8 + 9 +
11 = 2 + 2 +
14 = 8 + 2 +
9 + 1 + 4 =
9 + 1 + 1 =
12 = 5 + 1 +
2 + 3 + 2 =
3 + 2 + 1 =