CHRONO

10 s.

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

CHRONO

0 s.
130 = 90 + 20 +
80 = 40 + 20 +
20 + 20 + 40 =
100 = 60 + 20 +
20 + 90 + 70 =
90 + 80 + 70 =
100 = 60 + 10 +
170 = 10 + 70 +
40 + 40 + 60 =
60 + 40 + 70 =
130 = 70 + 30 +
20 + 90 + 30 =
10 + 20 + 20 =
10 + 40 + 90 =
110 = 10 + 90 +
140 = 10 + 40 +
70 = 20 + 30 +
110 = 30 + 30 +
20 + 40 + 70 =
50 + 90 + 30 =