CHRONO

39 s.

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

CHRONO

0 s.
20 + 90 + 50 =
50 + 40 + 90 =
50 + 30 + 10 =
10 + 80 + 80 =
60 = 10 + 10 +
80 = 20 + 10 +
160 = 10 + 60 +
20 + 80 + 50 =
50 + 40 + 30 =
10 + 30 + 60 =
80 + 70 + 20 =
120 = 20 + 50 +
70 + 20 + 50 =
20 + 30 + 20 =
90 + 10 + 20 =
190 = 30 + 80 +
90 + 80 + 60 =
250 = 70 + 90 +
90 + 20 + 30 =
90 + 30 + 20 =