CHRONO

10 s.

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

CHRONO

0 s.
1000 - 330 =
1000 - 610 =
1000 - 690 =
1000 - 600 =
1000 - 530 =
1000 - 340 =
1000 - 980 =
1000 - 990 =
1000 - 380 =
1000 - 170 =
1000 - 730 =
1000 - 430 =
1000 - 630 =
1000 - 750 =
1000 - 130 =
1000 - 710 =
1000 - 790 =
1000 - 920 =
1000 - 760 =
1000 - 910 =