CHRONO

10 s.

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

CHRONO

0 s.
250 = 70 + 90 +
70 + 50 + 10 =
50 + 40 + 90 =
120 = 60 + 50 +
60 + 70 + 10 =
90 + 80 + 70 =
70 + 80 + 80 =
30 + 80 + 60 =
20 + 30 + 20 =
130 = 70 + 30 +
210 = 90 + 80 +
150 = 50 + 10 +
210 = 60 + 90 +
180 = 60 + 80 +
30 + 60 + 20 =
190 = 80 + 90 +
140 = 70 + 50 +
180 = 90 + 10 +
110 = 40 + 60 +
70 + 90 + 70 =