CHRONO

2 s.

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

CHRONO

0 s.
9 x 900 =
60 x 3 =
6 x 60 =
800 x 9 =
8 x 50 =
8 x 30 =
70 x 8 =
4 x 60 =
9 x 50 =
3 x 100 =
900 x 2 =
10 x 6 =
50 x 7 =
8 x 60 =
8 x 500 =
6 x 70 =
50 x 8 =
50 x 9 =
40 x 6 =
7 x 700 =