CHRONO

10 s.

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

CHRONO

0 s.
170 = 50 + 30 +
130 = 60 + 10 +
150 = 70 + 20 +
10 + 30 + 70 =
220 = 60 + 90 +
180 = 50 + 50 +
170 = 40 + 80 +
60 + 70 + 30 =
140 = 50 + 20 +
10 + 20 + 10 =
80 + 80 + 10 =
110 = 70 + 10 +
120 = 20 + 40 +
90 + 50 + 20 =
20 + 10 + 70 =
20 + 40 + 20 =
130 = 60 + 20 +
100 = 10 + 50 +
70 + 80 + 10 =
10 + 40 + 50 =