CHRONO

10 s.

Ajouter et retrancher des nombres comme 8, 9, 11, 12.

CHRONO

0 s.
746 + 9 =
458 + 11 =
969 - 8 =
607 + 9 =
657 + 12 =
462 - 12 =
685 + 11 =
873 - 9 =
226 + 11 =
627 - 9 =
886 - 9 =
910 + 12 =
29 + 9 =
832 - 12 =
479 + 11 =
848 + 9 =
96 + 9 =
982 - 11 =
221 - 12 =
558 + 11 =