CHRONO

10 s.

Calculer des compléments à la dizaine supérieure.

CHRONO

0 s.
290 = 290 +
970 = 967 +
850 = 847 +
800 = 791 +
480 = 474 +
740 = 736 +
640 = 640 +
250 = 250 +
650 = 645 +
860 = 858 +
350 = 344 +
250 = 242 +
30 = 29 +
410 = 402 +
520 = 514 +
960 = 958 +
630 = 627 +
820 = 817 +
160 = 151 +
260 = 255 +