CHRONO

10 s.

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

CHRONO

0 s.
1 x 70 =
3 x 100 =
1 x 90 =
9 x 600 =
6 x 200 =
300 x 7 =
800 x 2 =
6 x 50 =
300 x 1 =
8 x 70 =
400 x 5 =
9 x 20 =
200 x 2 =
800 x 4 =
10 x 9 =
1 x 900 =
70 x 6 =
4 x 40 =
300 x 8 =
60 x 1 =