CHRONO

10 s.

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

CHRONO

0 s.
180 = 70 + 40 +
30 + 40 + 80 =
30 + 70 + 70 =
80 + 30 + 40 =
10 + 40 + 90 =
10 + 30 + 10 =
80 + 90 + 30 =
90 + 30 + 90 =
130 = 10 + 90 +
180 = 90 + 80 +
20 + 70 + 20 =
40 + 70 + 60 =
80 + 10 + 40 =
130 = 90 + 30 +
160 = 50 + 70 +
90 + 40 + 40 =
140 = 20 + 40 +
220 = 90 + 50 +
80 + 60 + 60 =
160 = 90 + 20 +