1) x1/2-2x5/6=0 denkleminin kökleri toplamı kaçtır? (2-3)
2)https://img268.imageshack.us/img268/...at28082012.jpg
3)https://img59.imageshack.us/img59/6403/mat28082012.jpg
4)https://img145.imageshack.us/img145/...at28082012.jpg
5)https://img819.imageshack.us/img819/...at28082012.jpg