CHRONO

2 s.

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

CHRONO

0 s.
50 + 70 + 60 =
40 + 90 + 60 =
170 = 60 + 90 +
170 = 70 + 70 +
90 + 60 + 50 =
220 = 70 + 60 +
160 = 80 + 20 +
140 = 30 + 40 +
180 = 60 + 90 +
70 + 80 + 10 =
230 = 90 + 90 +
90 + 80 + 60 =
20 + 70 + 40 =
220 = 80 + 60 +
170 = 90 + 20 +
100 = 50 + 20 +
90 + 80 + 40 =
40 + 50 + 30 =
120 = 10 + 30 +
30 + 20 + 40 =