CHRONO

35 s.

Calculer des compléments à 100 ou 1000.

CHRONO

0 s.
100 - 55 =
1000 = 100 +
100 = 50 +
1000 - 50 =
1000 - 150 =
100 - 10 =
1000 - 950 =
100 - 70 =
1000 - 400 =
100 = 20 +
100 - 50 =
100 = 55 +
1000 = 900 +
100 - 80 =
100 = 25 +
1000 = 400 +
100 - 65 =
100 - 75 =
100 = 30 +
100 - 35 =