CHRONO

10 s.

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

CHRONO

0 s.
140 = 20 + 80 +
10 + 90 + 20 =
120 = 10 + 30 +
80 + 60 + 70 =
130 = 20 + 50 +
120 = 20 + 90 +
20 + 30 + 50 =
140 = 90 + 20 +
110 = 20 + 60 +
70 + 10 + 80 =
110 = 40 + 60 +
40 + 30 + 60 =
90 + 10 + 70 =
40 + 70 + 40 =
80 + 50 + 90 =
10 + 30 + 90 =
80 + 80 + 40 =
160 = 30 + 90 +
180 = 20 + 80 +
140 = 60 + 50 +