CHRONO

10 s.

Calculer des compléments à 100 ou 1000.

CHRONO

0 s.
1000 = 350 +
1000 - 450 =
100 = 85 +
100 = 55 +
100 = 20 +
100 = 90 +
100 - 65 =
1000 - 400 =
100 - 90 =
1000 - 350 =
100 = 80 +
100 - 80 =
1000 = 250 +
1000 = 450 +
100 - 10 =
1000 = 600 +
1000 - 700 =
100 - 85 =
100 - 45 =
1000 - 800 =