CHRONO

10 s.

Calculer des compléments à la dizaine supérieure.

CHRONO

0 s.
1000 = 992 +
540 = 533 +
340 = 336 +
430 = 426 +
780 = 774 +
500 = 494 +
60 = 54 +
920 = 916 +
860 = 857 +
310 = 303 +
240 = 240 +
710 = 701 +
330 = 322 +
430 = 421 +
410 = 402 +
220 = 216 +
390 = 381 +
390 = 387 +
280 = 280 +
130 = 124 +