CHRONO

39 s.

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

CHRONO

0 s.
70 + 50 + 40 =
190 = 90 + 90 +
160 = 30 + 80 +
190 = 90 + 30 +
50 + 10 + 70 =
200 = 90 + 70 +
180 = 30 + 60 +
20 + 60 + 60 =
110 = 10 + 20 +
70 + 40 + 10 =
120 = 20 + 30 +
120 = 40 + 50 +
10 + 80 + 60 =
70 + 90 + 80 =
20 + 20 + 70 =
150 = 40 + 90 +
180 = 60 + 60 +
150 = 50 + 10 +
100 = 60 + 30 +
170 = 80 + 40 +