CHRONO

3 s.

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

CHRONO

0 s.
3 x 2 =
8 x 20 =
4 x 11 =
20 x 11 =
10 x 200 =
20 x 7 =
2 x 20 =
20 x 12 =
5 x 2 =
6 x 200 =
3 x 400 =
3 x 200 =
400 x 3 =
6 x 4 =
15 x 40 =
400 x 15 =
20 x 4 =
2 x 400 =
4 x 40 =
40 x 3 =