CHRONO

10 s.

Calculer des compléments à la dizaine supérieure.

CHRONO

0 s.
410 = 402 +
670 = 666 +
940 = 932 +
50 = 50 +
390 = 386 +
50 = 43 +
310 = 309 +
290 = 288 +
70 = 70 +
330 = 321 +
450 = 449 +
640 = 637 +
440 = 440 +
300 = 293 +
230 = 230 +
530 = 521 +
160 = 152 +
990 = 990 +
970 = 962 +
370 = 362 +