CHRONO

29 s.

Calculer des compléments à la dizaine supérieure.

CHRONO

0 s.
600 = 599 +
580 = 579 +
440 = 435 +
470 = 463 +
180 = 171 +
200 = 197 +
110 = 104 +
480 = 477 +
290 = 283 +
120 = 119 +
790 = 784 +
100 = 95 +
510 = 504 +
460 = 451 +
70 = 62 +
890 = 886 +
550 = 550 +
920 = 916 +
720 = 716 +
850 = 845 +