CHRONO

30 s.

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

CHRONO

0 s.
200 x 11 =
8 x 40 =
2 x 4 =
40 x 13 =
2 x 2 =
6 x 200 =
2 x 13 =
400 x 8 =
3 x 200 =
9 x 200 =
10 x 4 =
2 x 10 =
11 x 2 =
4 x 200 =
1 x 4 =
40 x 12 =
12 x 200 =
1 x 40 =
5 x 2 =
4 x 13 =