CHRONO

10 s.

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

CHRONO

0 s.
70 + 90 + 10 =
30 + 10 + 80 =
160 = 80 + 20 +
210 = 70 + 50 +
20 + 20 + 80 =
110 = 90 + 10 +
130 = 60 + 30 +
230 = 80 + 90 +
160 = 30 + 80 +
40 + 40 + 70 =
10 + 20 + 90 =
170 = 70 + 50 +
120 = 40 + 50 +
80 = 30 + 40 +
30 + 10 + 10 =
230 = 50 + 90 +
260 = 80 + 90 +
220 = 70 + 70 +
100 = 40 + 50 +
90 + 70 + 10 =