CHRONO

10 s.

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

CHRONO

0 s.
210 = 80 + 90 +
230 = 90 + 80 +
180 = 70 + 70 +
70 + 70 + 60 =
90 = 40 + 30 +
210 = 90 + 30 +
30 + 20 + 30 =
90 = 50 + 10 +
10 + 60 + 60 =
210 = 30 + 90 +
50 + 20 + 80 =
30 + 30 + 40 =
80 + 30 + 90 =
70 + 60 + 20 =
210 = 90 + 70 +
110 = 60 + 40 +
160 = 70 + 10 +
130 = 40 + 50 +
60 + 10 + 40 =
90 + 90 + 70 =