2x-5<4x+1

[(x+2)/(x+3)-(x+1)/(x+2)+(x+4)/(x+5)-(x+3)/(x+4)]/[(x的平方+7x+13)/(x的平方+8x+15)][(x+2)/(x+3)-(x+1)/(x+2

x+2/x+1-x+3/x+2-x+4/x+3+x+5/x+4x+2/x+1-x+3/x+2-x+4/x+3+x+5/x+4x+2/x+1-x+3/x+2-x+4/x+3+x+5/x+4(x+2)/(

x^5-x^4+x^3-x^2+x-1x^5-x^4+x^3-x^2+x-1x^5-x^4+x^3-x^2+x-1x^5-x^4+x^3-x^2+x-1　　=x^4(x-1)+x^2(x-1)+(x-

x^6-x^5+x^4-x^2+x-1x^6-x^5+x^4-x^2+x-1x^6-x^5+x^4-x^2+x-1x^6-x^5+x^4-x²+x-1=x^5(x-1)+x^²(x

如下9*9宫图如何填xxx1xxx29xx5xxxxx4x68xxxxxxxxx7xx5xxx2xx6xx8xxx3xx9xxxxxxx5x16x4xxx3xxxx7xxxx2xxx如下9*9宫图如何

(x+1)(x+2)(x+3)(x+4)(x+5)(x+6)(x+7)(x+8)(x+9)(x+10)请化简我说的是化简化成x^10+ax^9+bx^8+cx^7+......+n的形式(x+1)(x

7X4612XXXX2XXX3XXX5XXX97X6XXX672X51XXX2XXX6XXX15X467XXX3X86XXX9XXX1XXX7XXXX2758X1第二道~X9XX8XX1XX6XX2X

计算:[(x+2)/(x+3)-(x+1)/(x+2)+(x+4)/(x+5)-(x+3)/(x+4)/(x^2+7x+13)/(x^2+8x+15)计算:[(x+2)/(x+3)-(x+1)/(x+

计算(x+2)/(x+1)-(x+3)/(x+2)+(x+4)/(x+3)-(x+5)/(x+4)计算(x+2)/(x+1)-(x+3)/(x+2)+(x+4)/(x+3)-(x+5)/(x+4)计算

(x-3/x-2)-(x-2/x-1)=(x-5/x4)-(x-4/x-3)(x-3/x-2)-(x-2/x-1)=(x-5/x4)-(x-4/x-3)(x-3/x-2)-(x-2/x-1)=(x-5

x-1分之x²+5x-x²-x分之2x²+4xx-1分之x²+5x-x²-x分之2x²+4xx-1分之x²+5x-x²-

x(x+1)+(x+2)+(x+3)+(x+4)+(x+5)=27求xx(x+1)+(x+2)+(x+3)+(x+4)+(x+5)=27求xx(x+1)+(x+2)+(x+3)+(x+4)+(x+5)

|X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10|的最小值谢谢了,大神帮忙啊如题|X-1|+|X-2|+|X-3|+|X-4|+|

|x-1|+|x-2|+|x-3|+|x-4|+|x-5|+|x-6|+|x-7|+|x-8|+|x-9|+|x-10|的最小值这类题该怎入手|x-1|+|x-2|+|x-3|+|x-4|+|x-5|

x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7x=?x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7x=?x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7x

(x+1)(x+2)(x+3)(X+4)((x+5)((x+6)((x+7)((x+8)((x+9)((x+10)展开式中x8的系数怎么求,附过程说明.(x+1)(x+2)(x+3)(X+4)((x+

1+x+x^2+x^3+x^4+x^5+x^6+x^7+x^8+x^9+x^10+x^11+x^12=97.8x+x^2+x^3+x^4+x^5+x^6+x^7+x^8+x^9+x^10+x^11+x

3x^+[2x-(-5x^+4x)+2]-13x^+[2x-(-5x^+4x)+2]-13x^+[2x-(-5x^+4x)+2]-1=3X^+2x+5x^-4x+2-1=8x^-2x+1=(2x-1)

(x-5)(x+2)(x-1)(x-4)(x-5)(x+2)(x-1)(x-4)因式分解成单项式相乘(x-5)(x+2)(x-1)(x-4)展开x^4-8x^3+9x^2+38x+40将40的各个因数

(x-2)(x-4)-(x-1)(x-5)求过程(x-2)(x-4)-(x-1)(x-5)求过程(x-2)(x-4)-(x-1)(x-5)求过程=x^2-6x+8-x^2+6x-6=2=X2-6X+8