CHRONO

10 s.

Calculer des produits du type 80 x 4 ou 800 x 4.

CHRONO

0 s.
100 x 5 =
10 x 2 =
60 x 3 =
5 x 20 =
8 x 20 =
30 x 2 =
900 x 2 =
80 x 6 =
1 x 400 =
900 x 6 =
80 x 5 =
60 x 2 =
200 x 5 =
900 x 3 =
40 x 1 =
60 x 6 =
300 x 3 =
1 x 90 =
9 x 800 =
40 x 8 =