已知x满足3+3x>5x-1,x+1/4>-1,化简|x-2|+|x+5|.

已知,x满足{3+3x>5x-1 {4分之(x+1)>-1,化简|x-2|+|x+5|. 已知,x满足｛3+3x>5x-1 x+1/4>-1 化简|x-2|+|x+5| 已知x满足3+3x>5x-1,x+1/4>-1,化简|x-2|+|x+5|. 已知x满足不等式组{3+3x＞5x-1,x+1/4,化简|x-2|+|x+5|. 已知,x满足3+3x＞5x-1 (x+1)/4 > -1.化简：|x-2|+|x+5|. 已知实数x满足5x*x-3x-5=0,求代数式5x*x-2x-[1/5x*x-2x-5]的值. 已知实数x满足5x*x-3x-5=0,求代数式5x*x-2x-1/5x*x-2x-5的值. 已知实数x满足(x+1)(x-2)(x+3)(x-4)+16=0,求代数式x2-x+1 已知,x满足3+3x>5x-1,x+1/4>-1化简|x-2|+|x+5|是（x+1）/4>-1 已知X满足不等式3X+5 已知x满足x+1/x=3,求x²+1/x²的值. 已知实数x满足x+1/x=3,求x-1/x的值 已知f(x)满足2f(x)+f(1/x)=3x,求f(x) 已知f(x)满足2f(x)+f(1/x)=3x,求f(x)? 已知f(x)满足2f(x)+f(-x)=-3x+1,求f(x) 已知f(x)满足f(x)+2f(1/x)=3x,求f(x) , *-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X || 已知x=1满足不等式组3x-5≤2x-4a,3(x-a)