(x+3)(x+4)-x(x+1)-14

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

[(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+4

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-1)(X-2)=X*X-3X+2 X*X-3X+2=(X-1)(X-3) X*X+4X+4=X

(X-1)(X-2)=X*X-3X+2X*X-3X+2=(X-1)(X-3)X*X+4X+4=X(X-4)+4X*X+Y*Y=(X+Y)(X-Y)哪一个因式分解是正确的(X-1)(X-2)=X*X-3

x^5-x^4+x^3-x^2+x-1

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-

1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+13x+14x+15x

1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+13x+14x+15x=550必须用解方程1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+1

(x+1)(x+2)(x+3)(x+4)(x+5)(x+6)(x+7)(x+8)(x+9)(x+10

(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

7 X 4 6 1 2 X X XX 2 X X X 3 X X X 5 X X X 9 7 X 6

7X4612XXXX2XXX3XXX5XXX97X6XXX672X51XXX2XXX6XXX15X467XXX3X86XXX9XXX1XXX7XXXX2758X1第二道~X9XX8XX1XX6XX2X

lim(x+1)^x+1(x+3)^x+3/x^2x+4 x趋于无穷

lim(x+1)^x+1(x+3)^x+3/x^2x+4x趋于无穷lim(x+1)^x+1(x+3)^x+3/x^2x+4x趋于无穷lim(x+1)^x+1(x+3)^x+3/x^2x+4x趋于无穷拍

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

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+

a+x/x+1 ,x/x^2-2x-3 ,a/x^2+4x+3

a+x/x+1,x/x^2-2x-3,a/x^2+4x+3a+x/x+1,x/x^2-2x-3,a/x^2+4x+3a+x/x+1,x/x^2-2x-3,a/x^2+4x+3你的题都写错了,还要人家帮

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

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

(x-1)/(x+3x+2)+6/(2+x-x)-(10-x)/(4-x)

(x-1)/(x+3x+2)+6/(2+x-x)-(10-x)/(4-x)(x-1)/(x+3x+2)+6/(2+x-x)-(10-x)/(4-x)(x-1)/(x+3x+2)+6/(2+x-x)-(

x(x+1)+(x+2)+(x+3)+(x+4)+(x+5) = 27求x

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+X+X+(X-1)+(X-2)+(X-3)+(X-4)=10(X-3)+(X-4)

X+X+X+(X-1)+(X-2)+(X-3)+(X-4)=10(X-3)+(X-4)X+X+X+(X-1)+(X-2)+(X-3)+(X-4)=10(X-3)+(X-4)X+X+X+(X-1)+(X

将[(X+3/X^2-4)-(-X/6-X-X^2)]/[1-(X^2-3X-15)/(X^2+X-

将[(X+3/X^2-4)-(-X/6-X-X^2)]/[1-(X^2-3X-15)/(X^2+X-6)]化简将[(X+3/X^2-4)-(-X/6-X-X^2)]/[1-(X^2-3X-15)/(X

[x-x/(x+1)]*[(x+1)/(x^2+3x+2)]÷[(x^2-2x)/(x^2-4)]一

[x-x/(x+1)]*[(x+1)/(x^2+3x+2)]÷[(x^2-2x)/(x^2-4)]一楼的纯粹是瞎扯[x-x/(x+1)]*[(x+1)/(x^2+3x+2)]÷[(x^2-2x)/(x

|X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X

|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^4+x^3+x^2+x+1=0,x^2006+x^2005+x^2004+x^2003+x^20

x^4+x^3+x^2+x+1=0,x^2006+x^2005+x^2004+x^2003+x^2002x^4+x^3+x^2+x+1=0,x^2006+x^2005+x^2004+x^2003+x^

|x-1|+|x-2|+|x-3|+|x-4|+|x-5|+|x-6|+|x-7|+|x-8|+|x

|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|