CHRONO

-INF s.

Calculer sur des nombres entiers de dizaines, de centaines ou de milliers.

CHRONO

0 s.
300 + 40 + 700 =
80 + 6000 + 90 =
90 + 70 + 200 =
9000 + 800 + 900 =
30 + 1000 + 600 =
7000 + 90 + 90 =
300 + 300 + 60 =
5000 + 3000 + 50 =
7000 + 5000 + 50 =
8000 + 100 + 60 =
200 + 3000 + 4000 =
70 + 1000 + 50 =
800 + 90 + 50 =
80 + 5000 + 800 =
60 + 40 + 10 =
80 + 10 + 800 =
9000 + 800 + 20 =
600 + 30 + 3000 =
1000 + 500 + 50 =
1000 + 7000 + 5000 =