CHRONO

2 s.

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

CHRONO

0 s.
6 x 900 =
800 x 8 =
7 x 50 =
8 x 500 =
700 x 4 =
1 x 400 =
300 x 1 =
300 x 6 =
20 x 1 =
90 x 3 =
3 x 70 =
1 x 800 =
4 x 800 =
800 x 3 =
50 x 9 =
400 x 9 =
800 x 1 =
1 x 300 =
50 x 8 =
2 x 700 =