CHRONO

300 s.

Calculer des produits du type 80 x 4 ou 800 x 4.

CHRONO

0 s.
3 x 800 =
200 x 1 =
5 x 10 =
6 x 20 =
8 x 20 =
6 x 900 =
500 x 7 =
7 x 500 =
3 x 60 =
80 x 6 =
20 x 8 =
1 x 50 =
900 x 9 =
3 x 10 =
2 x 50 =
5 x 40 =
4 x 900 =
10 x 1 =
3 x 30 =
7 x 400 =