CHRONO

10 s.

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

CHRONO

0 s.
10 + 30 + 50 =
140 = 40 + 30 +
170 = 10 + 70 +
80 = 20 + 30 +
70 + 90 + 20 =
40 + 60 + 40 =
190 = 40 + 80 +
180 = 80 + 50 +
240 = 90 + 80 +
40 + 40 + 90 =
160 = 80 + 70 +
150 = 60 + 20 +
220 = 90 + 40 +
10 + 50 + 60 =
90 + 30 + 50 =
80 + 50 + 90 =
190 = 50 + 80 +
170 = 70 + 70 +
160 = 60 + 20 +
80 + 80 + 90 =