CHRONO

10 s.

Calculer des compléments à la dizaine supérieure.

CHRONO

0 s.
140 = 138 +
350 = 346 +
840 = 835 +
120 = 113 +
920 = 913 +
80 = 77 +
730 = 729 +
330 = 322 +
920 = 920 +
680 = 679 +
140 = 137 +
200 = 198 +
610 = 607 +
600 = 596 +
220 = 217 +
500 = 495 +
650 = 648 +
440 = 431 +
770 = 770 +
840 = 833 +