CHRONO

10 s.

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

CHRONO

0 s.
110 = 60 + 10 +
50 + 80 + 20 =
40 + 90 + 90 =
20 + 70 + 20 =
80 = 20 + 20 +
90 = 40 + 10 +
30 + 20 + 60 =
90 + 50 + 80 =
60 + 40 + 10 =
140 = 50 + 50 +
50 + 20 + 10 =
50 = 10 + 30 +
170 = 60 + 80 +
210 = 70 + 60 +
40 + 40 + 10 =
190 = 20 + 90 +
20 + 30 + 20 =
170 = 70 + 90 +
20 + 10 + 70 =
150 = 30 + 80 +