CHRONO

10 s.

Calculer des compléments à 100 ou 1000.

CHRONO

0 s.
100 - 50 =
1000 = 400 +
100 - 80 =
100 - 35 =
1000 = 850 +
1000 = 250 +
100 = 65 +
1000 = 950 +
100 - 20 =
1000 - 950 =
1000 - 400 =
1000 = 300 +
100 = 30 +
100 - 55 =
100 = 90 +
100 = 75 +
100 = 95 +
100 - 90 =
1000 - 800 =
100 - 70 =