CHRONO

10 s.

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

CHRONO

0 s.
4 x 2 =
2 x 3 =
4 x 4 =
20 x 13 =
4 x 7 =
4 x 9 =
4 x 40 =
2 x 1 =
40 x 3 =
400 x 9 =
40 x 13 =
15 x 20 =
40 x 5 =
2 x 2 =
4 x 1 =
11 x 200 =
40 x 9 =
20 x 12 =
7 x 20 =
13 x 2 =