Quadratic equation 2 ( ) ()
12 ( )
http://www.gulfup.com/X25dncnd1i1ess
( ) \ 5 ............. 85... \ 6
2012 x , y ( ) 2013
x x
...
: 1 (0 1 )
Powered by vBulletin® Version 4.2.3 Copyright © 2026 vBulletin Solutions, Inc. All rights reserved. Translate By AlmuhajirDeveloped By Marco Mamdouh Style Zavord