CHRONO

81 s.

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

CHRONO

0 s.
10 + 60 + 50 =
130 = 90 + 10 +
110 = 60 + 10 +
200 = 80 + 90 +
20 + 60 + 30 =
130 = 40 + 60 +
160 = 90 + 60 +
80 + 50 + 80 =
170 = 80 + 40 +
160 = 40 + 90 +
80 + 60 + 30 =
230 = 90 + 60 +
50 = 30 + 10 +
80 + 30 + 30 =
30 + 50 + 10 =
170 = 40 + 70 +
80 + 40 + 60 =
30 + 20 + 80 =
80 + 40 + 80 =
50 + 20 + 40 =