CHRONO

10 s.

Calculer des compléments à 100 ou 1000.

CHRONO

0 s.
1000 = 150 +
100 - 45 =
1000 - 100 =
100 - 20 =
1000 = 300 +
1000 - 300 =
1000 = 50 +
100 - 5 =
100 = 65 +
1000 - 500 =
100 = 35 +
100 - 35 =
100 - 15 =
100 - 70 =
1000 - 800 =
100 = 5 +
1000 - 650 =
100 = 85 +
100 = 10 +
100 = 60 +