CHRONO

29 s.

Calculer des compléments à la dizaine supérieure.

CHRONO

0 s.
950 = 948 +
420 = 415 +
760 = 752 +
930 = 922 +
900 = 897 +
710 = 708 +
250 = 243 +
780 = 773 +
50 = 46 +
520 = 519 +
970 = 961 +
750 = 750 +
580 = 575 +
630 = 627 +
180 = 175 +
350 = 344 +
990 = 985 +
340 = 335 +
180 = 178 +
620 = 617 +