CHRONO

10 s.

Calculer des compléments à 100 ou 1000.

CHRONO

0 s.
100 - 30 =
1000 = 850 +
100 = 40 +
1000 - 850 =
1000 - 50 =
1000 = 100 +
1000 - 300 =
1000 = 550 +
100 - 80 =
100 - 70 =
1000 = 450 +
1000 - 650 =
1000 = 750 +
100 - 60 =
1000 = 950 +
1000 = 200 +
100 = 10 +
1000 - 400 =
100 = 20 +
1000 = 300 +