CHRONO

-INF s.

Calculer des produits par 2, 20, 200, 4, 40, 400.

CHRONO

0 s.
2 x 5 =
11 x 20 =
9 x 2 =
200 x 5 =
12 x 4 =
20 x 11 =
14 x 2 =
2 x 11 =
40 x 12 =
40 x 6 =
400 x 5 =
15 x 2 =
2 x 13 =
14 x 20 =
2 x 10 =
1 x 40 =
200 x 1 =
40 x 1 =
20 x 5 =
400 x 15 =