CHRONO

10 s.

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

CHRONO

0 s.
30 + 40 + 10 =
190 = 90 + 60 +
30 + 20 + 10 =
120 = 60 + 20 +
40 + 50 + 10 =
60 + 30 + 50 =
170 = 40 + 80 +
50 + 30 + 10 =
40 + 90 + 70 =
190 = 50 + 60 +
80 + 20 + 50 =
160 = 90 + 60 +
70 + 90 + 30 =
150 = 20 + 90 +
170 = 10 + 70 +
90 + 20 + 70 =
140 = 50 + 20 +
50 + 50 + 70 =
130 = 30 + 30 +
110 = 20 + 50 +