Răspunsuri

2014-02-19T14:06:19+02:00
(18:3)+(?:3)=(18:3)+(?:3)

(18:3)=(18:3), mai ramane

(?:3)=(?:3)

? poate fi egal cu 3, 6, 9, 12, 24,....

2014-02-19T14:15:39+02:00