CHRONO

2 s.

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

CHRONO

0 s.
170 = 40 + 50 +
170 = 50 + 60 +
160 = 90 + 60 +
240 = 80 + 80 +
80 + 10 + 70 =
70 + 40 + 60 =
30 + 80 + 70 =
80 + 70 + 50 =
20 + 70 + 30 =
190 = 80 + 50 +
180 = 60 + 60 +
30 + 40 + 40 =
110 = 10 + 60 +
180 = 90 + 50 +
80 + 10 + 40 =
170 = 80 + 40 +
30 + 70 + 20 =
60 + 20 + 80 =
140 = 30 + 80 +
180 = 50 + 80 +