CHRONO

10 s.

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

CHRONO

0 s.
40 + 60 + 30 =
70 + 40 + 30 =
110 = 10 + 80 +
190 = 60 + 40 +
160 = 90 + 40 +
110 = 40 + 20 +
80 = 60 + 10 +
90 = 30 + 50 +
40 = 10 + 10 +
60 + 70 + 20 =
80 + 30 + 20 =
180 = 60 + 40 +
140 = 10 + 60 +
110 = 60 + 10 +
30 + 70 + 80 =
30 + 10 + 70 =
180 = 80 + 20 +
140 = 20 + 80 +
150 = 60 + 80 +
80 + 70 + 70 =