CHRONO

268 s.

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

CHRONO

0 s.
200 x 11 =
20 x 3 =
40 x 3 =
20 x 12 =
10 x 20 =
15 x 200 =
2 x 7 =
4 x 6 =
6 x 200 =
40 x 14 =
20 x 7 =
12 x 40 =
400 x 14 =
200 x 1 =
200 x 4 =
13 x 400 =
4 x 13 =
400 x 3 =
14 x 4 =
2 x 9 =