已知实数x满足x^2-3x+1=0,试求:
已知实数x满足x^2-3x+1=0,试求:
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满足等式|x-3|+|x+3|=-2X,求X的范围
已知实数X满足|X-根号3|+|X+根号3|=-2X,试求X的取值范围
已知实数X满足X的平方-4X-1=0求X
已知实数x、y满足X2+y2-xy+2x-y+1=0,试求x、y的值
1已知实数x y满足x^2+y^2+2x-2√3y=0 求
已知实数,y满足x^2+y^2+4x+3=0,求y-2/x-1的值域
已知实数x,y满足x2+y2+4x+3=0,求(y-2)/(x-1)的值域.
已知实数x满足x²-3x+1=0.求(1)x+ 1/x (2)x²+ 1/x² (3)x-