CHRONO

-INF s.

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

CHRONO

0 s.
900 x 4 =
6 x 90 =
20 x 5 =
8 x 20 =
300 x 7 =
100 x 5 =
10 x 3 =
8 x 800 =
4 x 80 =
40 x 1 =
6 x 600 =
90 x 6 =
1 x 300 =
50 x 5 =
3 x 90 =
30 x 9 =
30 x 4 =
2 x 600 =
300 x 3 =
500 x 9 =