CHRONO

50 s.

Multiplier un nombre simple par 20 ou 50.

CHRONO

0 s.
50 = 50 x
120 = 6 x
1 x 50 =
6 x 50 =
1 x 20 =
4 x 50 =
20 x 9 =
50 x 8 =
6 x 20 =
20 x 2 =
50 x 5 =
20 x 5 =
150 = 50 x
50 x 6 =
20 x 3 =
20 x 1 =
300 = 6 x
50 x 1 =
60 = 3 x
20 x 4 =