CHRONO

10 s.

Calculer des compléments à 100 ou 1000.

CHRONO

0 s.
1000 = 800 +
1000 = 450 +
1000 = 900 +
100 = 45 +
1000 = 500 +
1000 = 850 +
100 = 10 +
100 = 15 +
1000 - 850 =
100 - 85 =
1000 - 950 =
100 - 65 =
1000 = 150 +
100 = 50 +
100 - 75 =
100 - 70 =
1000 = 950 +
1000 = 250 +
1000 = 200 +
1000 = 300 +