Javascript Disabled Detected

You currently have javascript disabled. Several functions may not work. Please re-enable javascript to access full functionality.

Member Since 01-05-2019
Offline Last Active 02-05-2019 - 23:19

01-05-2019 - 21:49

Giúp em bài này với ạ

Cho x² + y² +z² = 200

Tìm GTNN

M = 2xy-yz -xy

Community Forum Software by IP.Board
Licensed to: Diễn đàn Toán học

binhthanh