CHRONO

10 s.

Calculer des compléments à 100 ou 1000.

CHRONO

0 s.
100 - 25 =
100 = 30 +
100 - 85 =
1000 - 600 =
1000 = 850 +
100 - 15 =
1000 = 900 +
100 = 55 +
100 - 55 =
1000 - 650 =
1000 - 700 =
100 - 65 =
1000 - 300 =
100 - 50 =
1000 = 600 +
1000 - 50 =
1000 = 750 +
100 = 35 +
1000 = 300 +
1000 - 400 =