CHRONO

35 s.

Calculer des compléments à 100 ou 1000.

CHRONO

0 s.
100 - 50 =
100 = 50 +
1000 - 450 =
100 = 45 +
1000 - 200 =
100 = 5 +
100 - 60 =
100 = 25 +
1000 = 250 +
1000 - 300 =
100 = 95 +
1000 - 800 =
1000 = 650 +
100 = 75 +
100 = 85 +
100 - 85 =
1000 = 800 +
1000 - 850 =
100 = 20 +
100 - 70 =