CHRONO

10 s.

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

CHRONO

0 s.
90 = 40 + 20 +
140 = 70 + 50 +
110 = 10 + 30 +
140 = 60 + 50 +
150 = 70 + 50 +
110 = 50 + 50 +
200 = 80 + 50 +
30 + 90 + 70 =
210 = 50 + 70 +
30 + 20 + 90 =
10 + 10 + 10 =
150 = 60 + 10 +
90 = 20 + 20 +
40 + 60 + 70 =
90 = 20 + 60 +
90 + 80 + 60 =
140 = 50 + 30 +
170 = 30 + 90 +
110 = 30 + 60 +
100 = 30 + 60 +