title=
description=ͼҳ.
author=XIAO Gang
address=xiao@unice.fr
copyright=&copy; 2001- (<a href=COPYING>GNU GPL</a>)
version=1.00
wims_version=3.01
language=cn
translator=
translator_address=wlc_ren@163.com
category=exercise
level=H4, H5, H6, U1
domain=analysis, geometry
keywords=function, curve, linear combination
require=
scoring=yes

