CHRONO

10 s.

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

CHRONO

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