CHRONO

10 s.

Calculer des compléments à 100 ou 1000.

CHRONO

0 s.
100 - 5 =
1000 - 950 =
100 - 15 =
100 = 5 +
1000 - 800 =
100 = 15 +
100 - 65 =
100 = 65 +
1000 = 650 +
100 - 40 =
1000 = 600 +
1000 = 100 +
1000 = 250 +
1000 = 500 +
100 - 90 =
100 - 30 =
100 = 45 +
100 - 25 =
1000 = 50 +
100 = 25 +