1.$\large \left | 2010-x \right |^{2011}+\left | 2011-x \right |^{2010}=1$
2.$\large \left | x-\left | 4x-3 \right | \right |=x+3$
bài 2:Tìm m để pt :
$\large \left | x+2 \right |+3\left | x-1 \right |-6\left | x \right |=x+m$ có nghiệm.
bài 3: giải bpt:
1.$\large \left | \left | 2x-3 \right |-4 \right |\leq \left | 4x-1 \right |$
2.$\large \left | x^{2}-1 \right |-2\left | 2x-3 \right |\geq 2x\left | x+1 \right |$
Edited by 25081997, 14-04-2012 - 22:21.