CHRONO

10 s.

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

CHRONO

0 s.
50 + 70 + 90 =
170 = 60 + 50 +
20 + 70 + 10 =
30 + 40 + 20 =
60 + 90 + 90 =
70 + 50 + 30 =
80 + 80 + 20 =
180 = 90 + 60 +
10 + 40 + 50 =
60 = 10 + 40 +
160 = 80 + 20 +
170 = 20 + 80 +
210 = 90 + 80 +
170 = 90 + 30 +
180 = 50 + 90 +
110 = 30 + 20 +
20 + 20 + 50 =
210 = 70 + 60 +
30 + 60 + 30 =
50 + 50 + 90 =