1/2{1/3[1/4(1/5x-1)-6]+4}=1
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1/2{1/3[1/4(1/5x-1)-6]+4}=1
![1/2{1/3[1/4(1/5x-1)-6]+4}=1](/uploads/image/z/3359246-14-6.jpg?t=1%2F2%7B1%2F3%5B1%2F4%281%2F5x-1%29-6%5D%2B4%7D%3D1)
1/2{1/3[1/4(1/5x-1)-6]+4}=1
两边乘2
1/3[1/4(1/5x-1)-6]+4=2
1/3[1/4(1/5x-1)-6]=-2
两边乘3
1/4(1/5x-1)-6=-6
1/4(1/5x-1)=0
1/5x-1=0
1/5x=1
x=1÷1/5
x=5
两边乘2
1/3[1/4(1/5x-1)-6]+4=2
1/3[1/4(1/5x-1)-6]=-2
两边乘3
1/4(1/5x-1)-6=-6
1/4(1/5x-1)=0
1/5x-1=0
1/5x=1
x=1÷1/5
x=5
x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x
|X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10|
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
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
(1) x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8
1x+2x+3x+4x+5x+6x+7x…+99x=100
(X+2)/(X+1)-(X+4)/(X+3)=(X+6)/(X+5)-(X+8)/(X+7)
解方程:2x+4x+6x...+100x=1-(x+3x+5x+...+99x)
解方程 x+2/x+1+x+8/x+7=x+6/x+5+x+4/x+3
(x-1)(x-2)(x-3)(x-4)=(x+5)(x+6)(x+7)求X等于几?
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),
1x 2x 3x 4x 5x 6=( )x( )+( )