CHRONO

29 s.

Calculer des compléments à la dizaine supérieure.

CHRONO

0 s.
890 = 884 +
520 = 517 +
570 = 566 +
520 = 519 +
70 = 66 +
900 = 894 +
960 = 954 +
900 = 891 +
330 = 324 +
180 = 172 +
130 = 128 +
350 = 344 +
190 = 182 +
50 = 42 +
30 = 26 +
790 = 787 +
670 = 668 +
590 = 584 +
520 = 511 +
770 = 765 +