CHRONO

10 s.

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

CHRONO

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