CHRONO

10 s.

Calculer des compléments à la dizaine supérieure.

CHRONO

0 s.
40 = 33 +
550 = 544 +
420 = 411 +
1000 = 991 +
440 = 438 +
200 = 195 +
980 = 973 +
60 = 60 +
320 = 315 +
300 = 293 +
570 = 562 +
210 = 207 +
340 = 337 +
410 = 404 +
590 = 582 +
500 = 491 +
850 = 846 +
490 = 481 +
990 = 990 +
370 = 363 +