CHRONO

24 s.

Calculer des compléments à 100 ou 1000.

CHRONO

0 s.
100 = 50 +
1000 - 900 =
100 - 85 =
1000 - 300 =
1000 = 300 +
1000 - 100 =
1000 - 750 =
100 - 40 =
1000 - 850 =
100 - 70 =
100 - 65 =
100 - 15 =
100 = 5 +
1000 = 350 +
1000 = 200 +
1000 - 200 =
100 = 25 +
1000 = 250 +
1000 - 600 =
100 = 10 +