CHRONO

10 s.

Calculer des compléments à 100 ou 1000.

CHRONO

0 s.
100 - 75 =
100 - 70 =
1000 = 900 +
100 - 5 =
100 - 45 =
100 = 90 +
100 = 35 +
1000 = 650 +
1000 - 450 =
1000 - 200 =
1000 = 450 +
100 = 55 +
1000 - 400 =
1000 = 950 +
1000 - 250 =
100 = 75 +
100 = 45 +
100 - 40 =
1000 = 200 +
1000 = 100 +