https://img191.imageshack.us/img191/...at09072012.jpg
https://img705.imageshack.us/img705/...at09072012.jpg
https://img812.imageshack.us/img812/...at09072012.jpg
Yahu 1.soru ömrümü yedi ömrümü çözecek yok mu :D .
3.21x=21
31/(1-x)=21
3y/2(1-x)=21y/2=3 bulunur.
Tak tak tak; işlem tamam...:cool::)