CHRONO

39 s.

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

CHRONO

0 s.
160 = 30 + 40 +
140 = 30 + 50 +
90 = 10 + 10 +
70 + 20 + 80 =
20 + 90 + 90 =
140 = 40 + 60 +
80 + 50 + 30 =
120 = 70 + 20 +
60 + 70 + 90 =
220 = 80 + 80 +
230 = 60 + 90 +
70 + 90 + 70 =
70 + 60 + 30 =
140 = 50 + 40 +
10 + 70 + 70 =
90 + 80 + 20 =
140 = 20 + 60 +
130 = 50 + 10 +
90 + 70 + 10 =
70 + 10 + 20 =