CHRONO

2 s.

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

CHRONO

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