CHRONO

10 s.

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

CHRONO

0 s.
4 x 5 =
4 x 12 =
2 x 11 =
2 x 20 =
12 x 2 =
20 x 12 =
13 x 400 =
15 x 40 =
4 x 15 =
200 x 5 =
20 x 10 =
200 x 13 =
5 x 2 =
10 x 400 =
6 x 400 =
400 x 8 =
1 x 4 =
14 x 2 =
11 x 400 =
12 x 20 =