CHRONO

10 s.

Calculer des compléments à la dizaine supérieure.

CHRONO

0 s.
360 = 351 +
580 = 579 +
240 = 239 +
620 = 616 +
450 = 441 +
460 = 460 +
260 = 259 +
910 = 909 +
120 = 112 +
90 = 84 +
320 = 313 +
50 = 41 +
400 = 393 +
560 = 557 +
810 = 806 +
30 = 26 +
990 = 985 +
580 = 576 +
620 = 620 +
320 = 311 +