Cevaplar

2013-01-08T16:50:34+02:00

Ben bulurum :=)))))) kesinnnnnnn

0
2013-01-08T16:51:58+02:00

xkare - ykare = (x-y).(x+y)

 

(x-y)kare=xkare-2xy+ykare

 

xkare-6x+9=(x-3)kare eder.

0