CHRONO

10 s.

Compléments à la dizaine, centaine ou au millier supérieur.

CHRONO

0 s.
20 = 13 +
70 = 65 +
300 = 260 +
20 = 14 +
9000 = 8900 +
30 = 21 +
600 = 580 +
6000 = 5600 +
80 = 72 +
50 = 49 +
70 = 66 +
60 = 55 +
30 = 23 +
9000 = 8800 +
1000 = 960 +
60 = 59 +
400 = 390 +
300 = 220 +
1000 = 920 +
50 = 41 +