CHRONO

10 s.

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

CHRONO

0 s.
160 = 70 + 10 +
210 = 70 + 70 +
140 = 40 + 70 +
180 = 80 + 60 +
70 + 50 + 20 =
180 = 70 + 60 +
70 + 70 + 60 =
90 + 70 + 20 =
50 + 80 + 70 =
140 = 80 + 30 +
70 + 40 + 30 =
100 = 30 + 50 +
60 + 90 + 10 =
10 + 90 + 30 =
110 = 40 + 60 +
40 + 40 + 60 =
190 = 70 + 50 +
60 + 30 + 30 =
20 + 20 + 60 =
50 + 90 + 30 =