CHRONO

10 s.

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

CHRONO

0 s.
170 = 30 + 90 +
100 = 10 + 80 +
200 = 90 + 20 +
30 + 40 + 70 =
20 + 10 + 80 =
190 = 30 + 70 +
170 = 60 + 30 +
60 + 90 + 90 =
150 = 50 + 50 +
120 = 10 + 40 +
80 + 90 + 90 =
20 + 40 + 10 =
80 = 30 + 10 +
60 + 20 + 30 =
180 = 10 + 90 +
200 = 60 + 80 +
10 + 70 + 50 =
90 = 10 + 30 +
60 + 60 + 70 =
70 + 70 + 40 =