4X+3(2x-2)=12-(x+4) 6(0.5X-4)+2x=7-(1/3x-1)
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4X+3(2x-2)=12-(x+4) 6(0.5X-4)+2x=7-(1/3x-1)
![4X+3(2x-2)=12-(x+4) 6(0.5X-4)+2x=7-(1/3x-1)](/uploads/image/z/17685416-56-6.jpg?t=4X%2B3%282x-2%29%3D12-%28x%2B4%29+6%280.5X-4%29%2B2x%3D7-%281%2F3x-1%29)
4X+3(2x-2)=12-(x+4)
4x+6x-6=12-x-4
11x=14
x=14/11
6(0.5X-4)+2x=7-(1/3x-1)
3x-24+2x=7-1/3x+1
16/3x=32
x=6
4x+6x-6=12-x-4
11x=14
x=14/11
6(0.5X-4)+2x=7-(1/3x-1)
3x-24+2x=7-1/3x+1
16/3x=32
x=6
x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x
1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+13x+14x+15x=550
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
已知1+x+x^2+x^3=0,求x+x^2+x^3+x^4+x^+x^6+x^7+x^8的值
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
|X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10|
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
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 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?