CHRONO

10 s.

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

CHRONO

0 s.
800 x 6 =
90 x 2 =
9 x 30 =
20 x 5 =
3 x 80 =
9 x 800 =
900 x 9 =
5 x 10 =
50 x 6 =
40 x 8 =
9 x 20 =
6 x 900 =
6 x 80 =
1 x 90 =
1 x 10 =
1 x 500 =
800 x 2 =
20 x 4 =
1 x 50 =
20 x 8 =