CHRONO

10 s.

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

CHRONO

0 s.
40 + 20 + 10 =
20 + 40 + 40 =
170 = 50 + 50 +
70 + 80 + 60 =
150 = 70 + 10 +
150 = 10 + 50 +
20 + 70 + 10 =
20 + 10 + 40 =
80 + 90 + 90 =
80 + 20 + 70 =
80 + 70 + 20 =
250 = 90 + 90 +
170 = 70 + 20 +
10 + 50 + 50 =
90 + 50 + 90 =
70 = 20 + 20 +
90 + 50 + 50 =
180 = 70 + 20 +
40 + 60 + 80 =
100 = 60 + 30 +