CHRONO

10 s.

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

CHRONO

0 s.
15 = 9 + 1 +
27 = 9 + 9 +
9 + 3 + 2 =
15 = 2 + 8 +
8 = 1 + 4 +
13 = 1 + 5 +
8 + 9 + 4 =
16 = 3 + 6 +
14 = 1 + 4 +
5 + 2 + 8 =
1 + 4 + 7 =
16 = 9 + 2 +
2 + 5 + 5 =
9 + 4 + 3 =
14 = 6 + 3 +
19 = 9 + 2 +
23 = 9 + 6 +
7 + 6 + 4 =
10 = 6 + 3 +
22 = 7 + 7 +