CHRONO

10 s.

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

CHRONO

0 s.
110 = 40 + 50 +
70 + 40 + 30 =
70 + 80 + 20 =
80 = 20 + 50 +
20 + 40 + 90 =
120 = 80 + 30 +
20 + 80 + 60 =
60 + 30 + 80 =
240 = 80 + 80 +
150 = 70 + 50 +
90 + 60 + 60 =
250 = 80 + 90 +
120 = 30 + 10 +
170 = 70 + 60 +
160 = 70 + 60 +
60 + 80 + 80 =
180 = 90 + 50 +
110 = 60 + 20 +
70 = 10 + 20 +
70 + 60 + 90 =