CHRONO

10 s.

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

CHRONO

0 s.
170 = 20 + 70 +
100 = 10 + 40 +
30 + 80 + 10 =
60 + 20 + 80 =
220 = 50 + 80 +
170 = 80 + 10 +
100 = 60 + 10 +
120 = 20 + 20 +
80 = 30 + 10 +
130 = 50 + 70 +
140 = 40 + 10 +
150 = 40 + 60 +
130 = 30 + 20 +
150 = 80 + 10 +
70 + 60 + 60 =
50 + 80 + 90 =
180 = 70 + 80 +
140 = 20 + 60 +
190 = 60 + 90 +
70 + 50 + 20 =