CHRONO

10 s.

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

CHRONO

0 s.
170 = 90 + 40 +
40 + 70 + 80 =
250 = 90 + 70 +
70 + 40 + 90 =
150 = 50 + 90 +
60 + 40 + 80 =
210 = 90 + 30 +
60 = 10 + 30 +
140 = 50 + 50 +
90 + 20 + 30 =
10 + 70 + 50 =
20 + 80 + 10 =
70 + 70 + 50 =
30 + 30 + 40 =
80 = 10 + 30 +
10 + 30 + 20 =
30 + 40 + 60 =
80 + 10 + 30 =
90 + 10 + 20 =
20 + 50 + 40 =