CHRONO

10 s.

Compléments à la dizaine, centaine ou au millier supérieur.

CHRONO

0 s.
300 = 280 +
30 = 25 +
90 = 87 +
800 = 780 +
400 = 350 +
500 = 440 +
60 = 56 +
80 = 71 +
2000 = 1600 +
700 = 650 +
6000 = 5100 +
1000 = 940 +
500 = 480 +
9000 = 8500 +
8000 = 7800 +
900 = 870 +
60 = 58 +
30 = 28 +
3000 = 2900 +
70 = 67 +