< X < 6时,化简|x-2|-|x-6|=_______.
< X < 6时,化简|x-2|-|x-6|=_______.
当1<x<2时,化简分式|x-2|/(x-2)-|x-1|/(1-x)=_______
用秦九韶算法计算f(x)=x^7-2x^6+3x^3-4x^2+1当x=2时,v4=_______?
化简(x-1)(x+1)(x^2+1)(x^4+1)(x^8+1)(x^16+1)=_______
若2x^2-3x+1=0,则多项式4x^2-6x-5=_______
已知 X=4- 根号3 求 (X*X*X*X-6X*X*X-2X*X+18X+23) / (X*X-8X+15)的值
解题,用方程解当x=_______时,4x+6与-10x+12的值相等;当x=_______时,4x+6与-10x+12
若y=√2x-6+√6-2x,则x+y的算术平方根为_______
已知根号x-2y-4+/2x-4/=0,求x-6y的立方根是_______
已知根号x-2y-4+/x-4/=0,求x-6y的立方根是_______
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?
已知x满足不等式3(5x+2)+5<4x-6(x+1),化简|x+1|-|1-3x|=______.