CHRONO

10 s.

Calculer des compléments à 100 ou 1000.

CHRONO

0 s.
1000 - 700 =
1000 = 250 +
100 = 90 +
100 = 10 +
100 = 55 +
100 - 65 =
100 - 85 =
100 = 80 +
100 - 5 =
100 - 80 =
100 - 10 =
1000 - 750 =
100 - 75 =
1000 = 750 +
100 = 5 +
100 = 15 +
100 = 25 +
1000 = 200 +
1000 - 900 =
1000 - 950 =