CHRONO

10 s.

Réaliser des calculs du type 1000-400, 1000-430.

CHRONO

0 s.
1000 - 280 =
1000 - 770 =
1000 - 450 =
1000 - 390 =
1000 - 880 =
1000 - 550 =
1000 - 340 =
1000 - 440 =
1000 - 730 =
1000 - 930 =
1000 - 380 =
1000 - 810 =
1000 - 120 =
1000 - 850 =
1000 - 210 =
1000 - 750 =
1000 - 890 =
1000 - 950 =
1000 - 350 =
1000 - 960 =