This page is READ-ONLY. It is generated from the old site.
All timestamps are relative to 2013 (when this page is generated).
If you are looking for TeX support, please go to

Problem #763

Chứng minh đẳng thức vectơ

Added by tanthinh over 2 years ago.

Status: New Start Date: 02-10-2010
Priority: Normal Due date:
Assigned to: - % Done:


Category: -
Target version: -
Votes: 0/0


Giải dùm em bài này:

Cho tứ giác ABCD. Gọi M, N là trung điểm AB, CD. Chứng minh: vt{AC}+vt{BD}=2vt{MN}.