Jump to content

duchoa2000

duchoa2000

Member Since 16-04-2012
Offline Last Active 25-11-2012 - 19:49
-----

#312363 tìm $x_{50}$

Posted by duchoa2000 on 24-04-2012 - 05:34

Cho $x_1 + x_2 + x_3 + .... + x_{50} +x_{51} = 0$ và $x_1 + x_2 = x_2 + x_3 = ... = x_{50} +x_{51} =1$
tìm $x_{50}$