CHRONO

10 s.

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

CHRONO

0 s.
14 = 6 + 4 +
1 + 7 + 6 =
7 + 6 + 7 =
19 = 3 + 9 +
19 = 8 + 3 +
9 + 5 + 9 =
4 + 3 + 7 =
14 = 6 + 6 +
18 = 8 + 5 +
17 = 9 + 4 +
22 = 7 + 8 +
10 = 4 + 3 +
7 + 7 + 7 =
3 + 7 + 4 =
25 = 9 + 9 +
6 + 9 + 5 =
24 = 8 + 8 +
11 = 4 + 1 +
17 = 1 + 7 +
15 = 1 + 7 +