CHRONO

10 s.

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

CHRONO

0 s.
1000 - 160 =
1000 - 960 =
1000 - 130 =
1000 - 710 =
1000 - 230 =
1000 - 650 =
1000 - 590 =
1000 - 760 =
1000 - 240 =
1000 - 970 =
1000 - 580 =
1000 - 170 =
1000 - 220 =
1000 - 980 =
1000 - 110 =
1000 - 830 =
1000 - 530 =
1000 - 790 =
1000 - 680 =
1000 - 910 =