CHRONO

10 s.

Calculer des compléments à 100 ou 1000.

CHRONO

0 s.
100 - 80 =
1000 = 550 +
100 = 25 +
1000 = 150 +
100 - 30 =
1000 - 800 =
100 - 85 =
100 - 10 =
1000 = 250 +
100 = 80 +
1000 - 600 =
100 = 15 +
100 = 60 +
1000 - 50 =
100 = 10 +
1000 - 300 =
1000 - 250 =
100 - 20 =
1000 = 700 +
100 - 55 =