CHRONO

23 s.

Calculer des compléments à 100 ou 1000.

CHRONO

0 s.
1000 = 50 +
1000 - 500 =
100 = 40 +
100 = 20 +
100 - 85 =
1000 - 600 =
1000 - 350 =
100 - 5 =
100 = 50 +
1000 = 900 +
1000 - 900 =
100 - 95 =
100 = 60 +
1000 = 200 +
1000 - 950 =
100 - 55 =
100 - 35 =
100 - 30 =
1000 - 300 =
100 = 75 +