CHRONO

10 s.

Calculer des compléments à la dizaine supérieure.

CHRONO

0 s.
590 = 590 +
50 = 50 +
400 = 392 +
970 = 970 +
830 = 821 +
250 = 250 +
520 = 515 +
360 = 352 +
300 = 292 +
960 = 954 +
30 = 25 +
530 = 524 +
610 = 602 +
160 = 157 +
190 = 185 +
720 = 716 +
630 = 621 +
630 = 629 +
300 = 293 +
350 = 343 +