CHRONO

96 s.

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

CHRONO

0 s.
1000 - 770 =
1000 - 550 =
1000 - 820 =
1000 - 650 =
1000 - 680 =
1000 - 920 =
1000 - 750 =
1000 - 370 =
1000 - 410 =
1000 - 220 =
1000 - 210 =
1000 - 320 =
1000 - 910 =
1000 - 790 =
1000 - 660 =
1000 - 740 =
1000 - 120 =
1000 - 250 =
1000 - 600 =
1000 - 150 =