CHRONO

10 s.

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

CHRONO

0 s.
1000 - 180 =
1000 - 360 =
1000 - 780 =
1000 - 240 =
1000 - 160 =
1000 - 460 =
1000 - 370 =
1000 - 210 =
1000 - 290 =
1000 - 250 =
1000 - 620 =
1000 - 760 =
1000 - 750 =
1000 - 960 =
1000 - 320 =
1000 - 110 =
1000 - 810 =
1000 - 440 =
1000 - 720 =
1000 - 890 =