CHRONO

10 s.

Calculer des compléments à 100 ou 1000.

CHRONO

0 s.
1000 = 400 +
1000 - 300 =
100 - 95 =
100 = 90 +
1000 - 850 =
1000 = 650 +
100 = 75 +
100 = 40 +
1000 - 350 =
100 = 55 +
1000 - 450 =
1000 = 800 +
1000 = 450 +
100 = 60 +
1000 - 550 =
1000 = 900 +
100 = 15 +
100 - 10 =
100 - 65 =
100 - 40 =