CHRONO

-INF s.

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

CHRONO

0 s.
900 x 6 =
2 x 90 =
300 x 7 =
2 x 20 =
5 x 500 =
500 x 5 =
100 x 8 =
1 x 600 =
2 x 600 =
5 x 200 =
4 x 40 =
70 x 2 =
50 x 9 =
400 x 1 =
50 x 3 =
8 x 400 =
8 x 900 =
90 x 5 =
400 x 9 =
30 x 3 =