CHRONO

10 s.

Calculer des compléments à 100 ou 1000.

CHRONO

0 s.
1000 = 550 +
1000 - 550 =
100 = 5 +
1000 = 100 +
1000 = 400 +
100 - 95 =
1000 = 300 +
100 = 70 +
1000 - 300 =
1000 - 100 =
100 = 50 +
1000 - 250 =
100 = 20 +
1000 - 500 =
1000 - 200 =
100 - 85 =
100 - 35 =
100 - 45 =
1000 = 500 +
100 - 10 =