CHRONO

67 s.

Ajouter ou retrancher un nombre du type 11, 101...

CHRONO

0 s.
147 + 101 =
180 + 101 =
249 - 101 =
784 + 11 =
426 + 11 =
797 - 11 =
423 - 11 =
367 - 11 =
574 + 11 =
181 - 101 =
606 + 11 =
104 + 11 =
222 - 11 =
909 + 11 =
23 - 11 =
278 - 101 =
963 - 11 =
612 + 11 =
623 + 11 =
607 + 101 =