CHRONO

39 s.

Calculer des compléments à 100 ou 1000.

CHRONO

0 s.
100 - 65 =
1000 - 300 =
1000 - 500 =
100 - 45 =
1000 - 400 =
1000 = 900 +
100 - 20 =
100 = 5 +
100 - 5 =
1000 - 900 =
1000 = 100 +
1000 - 550 =
1000 = 200 +
100 - 40 =
100 = 95 +
1000 - 350 =
100 = 40 +
100 = 55 +
100 - 80 =
100 - 10 =