CHRONO

10 s.

Calculer des compléments à la dizaine supérieure.

CHRONO

0 s.
370 = 364 +
840 = 831 +
880 = 875 +
350 = 349 +
270 = 262 +
900 = 895 +
930 = 923 +
1000 = 998 +
190 = 182 +
740 = 737 +
220 = 219 +
540 = 533 +
170 = 166 +
620 = 620 +
390 = 388 +
250 = 244 +
520 = 519 +
940 = 931 +
1000 = 996 +
30 = 29 +