CHRONO

10 s.

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

CHRONO

0 s.
70 + 50 + 40 =
80 + 50 + 50 =
70 + 70 + 50 =
70 + 40 + 60 =
80 = 20 + 50 +
90 = 40 + 20 +
40 + 20 + 20 =
50 + 80 + 50 =
160 = 50 + 70 +
100 = 30 + 60 +
20 + 40 + 70 =
30 + 10 + 40 =
160 = 80 + 20 +
80 + 10 + 10 =
200 = 50 + 70 +
50 + 10 + 60 =
70 + 90 + 70 =
110 = 30 + 40 +
150 = 80 + 10 +
140 = 40 + 10 +