CHRONO

2 s.

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

CHRONO

0 s.
80 + 90 + 30 =
20 + 80 + 10 =
140 = 50 + 40 +
100 = 60 + 30 +
50 + 50 + 90 =
110 = 10 + 20 +
160 = 80 + 40 +
60 + 20 + 80 =
10 + 40 + 60 =
140 = 30 + 70 +
120 = 10 + 40 +
50 + 60 + 10 =
70 + 70 + 80 =
50 = 10 + 20 +
90 + 20 + 70 =
10 + 30 + 70 =
40 + 80 + 30 =
90 = 10 + 40 +
220 = 80 + 50 +
50 + 90 + 10 =