1/4x-1/2=3/4;7x-5/4=3/8；2x-1/6=5x+1/8；1/2x-7=9x-2/6；1/5x-1/2

来源：学生作业帮编辑：拍题作业网作业帮分类：数学作业时间：2024/04/18 09:03:44

1/4x-1/2=3/4;7x-5/4=3/8；2x-1/6=5x+1/8；1/2x-7=9x-2/6；1/5x-1/2（3-2x）=1；2x+1/3-5x-1=1

1/4x-1/2=3/4
1/4X=3/4+1/2
1/4X=5/4
X=5/4*4
X=5
7x-5/4=3/8
7X=3/8+5/4
7X=13/8
X=(13/8)/7
X=13/56
2x-1/6=5x+1/8
5X-2X=-1/6-1/8
3X=-7/24
X=(-7/24)/3
X=-7/72
1/2x-7=9x-2/6
9X-1/2X=-7+2/6
17/2X=-20/3
X=(-20/3)/(17/2)
X=(-20/3)*(2/17)
X=-40/51
1/5x-1/2（3-2x）=1
1/5X-1/2*3+1/2*2x=1
1/5X+X-3/2=1
6/5X=1+3/2
6/5X=5/2
X=(5/2)*(5/6)
X=25/12
2x+1/3-5x-1=1
2X-5X=1+1-1/3
-3X=5/3
X=(5/3)*(-1/3)
X=-5/9

y=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10)的导数在x=1 设函数f(x)=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10), （1） x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8 |X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10| 已知1+x+x^2+x^3=0,求x+x^2+x^3+x^4+x^5+x^6+x^7+x^8的值 1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+13x+14x+15x=550 (X+2)/(X+1)-(X+4)/(X+3)=(X+6)/(X+5)-(X+8)/(X+7) 解方程 x+2/x+1+x+8/x+7=x+6/x+5+x+4/x+3 1x()+2x()+3x()+4x()+5x()+6x()+7x()+8x()加9x()+10x()=1980 1X?+2X?+3X?+4X?+5X?+6X?+7X?+8X?+9X?+10X?=1980求?是多少已知x=2π+1求 |x-1|+|x-2|+|x-3|+|x-4|+|x-5|+|x-6|+|x-7|+|x-8|+|x x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x