CHRONO

96 s.

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

CHRONO

0 s.
1000 - 380 =
1000 - 140 =
1000 - 300 =
1000 - 340 =
1000 - 660 =
1000 - 390 =
1000 - 690 =
1000 - 810 =
1000 - 920 =
1000 - 970 =
1000 - 750 =
1000 - 780 =
1000 - 530 =
1000 - 550 =
1000 - 990 =
1000 - 210 =
1000 - 200 =
1000 - 860 =
1000 - 870 =
1000 - 370 =