CHRONO

10 s.

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

CHRONO

0 s.
210 = 90 + 40 +
130 = 10 + 50 +
60 + 30 + 40 =
110 = 40 + 40 +
110 = 60 + 40 +
40 + 30 + 50 =
50 + 40 + 70 =
120 = 30 + 30 +
160 = 30 + 60 +
10 + 50 + 50 =
50 = 30 + 10 +
110 = 60 + 10 +
70 + 90 + 20 =
200 = 90 + 60 +
210 = 90 + 80 +
30 + 50 + 40 =
70 + 60 + 20 =
180 = 20 + 80 +
190 = 80 + 40 +
170 = 40 + 50 +