CHRONO

-INF s.

Multiplier un nombre simple par 20 ou 50.

CHRONO

0 s.
50 = 1 x
3 x 50 =
200 = 50 x
80 = 20 x
100 = 50 x
20 = 1 x
20 x 5 =
50 x 3 =
50 x 9 =
50 x 1 =
40 = 20 x
120 = 20 x
20 x 8 =
1 x 20 =
60 = 3 x
50 x 4 =
100 = 2 x
150 = 50 x
180 = 20 x
6 x 50 =