2x(-2)≤6-3x 4(x-1)>5x-6 5x-1/3-x>1 1/2x-1≤7-3/2x
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2x(-2)≤6-3x 4(x-1)>5x-6 5x-1/3-x>1 1/2x-1≤7-3/2x
写的好,一个过程又有字给多点分,
一共4道 1.2x(-2)≤6-3x
2.4(x-1)>5x-6
3.5x-1/3-x>1
4.1/2x-1≤7-3/2x 有2道是分数
写的好,一个过程又有字给多点分,
写的好,一个过程又有字给多点分,
一共4道 1.2x(-2)≤6-3x
2.4(x-1)>5x-6
3.5x-1/3-x>1
4.1/2x-1≤7-3/2x 有2道是分数
写的好,一个过程又有字给多点分,
![2x(-2)≤6-3x 4(x-1)>5x-6 5x-1/3-x>1 1/2x-1≤7-3/2x](/uploads/image/z/14922292-4-2.jpg?t=2x%28-2%29%E2%89%A46-3x+4%28x-1%29%EF%BC%9E5x-6+5x-1%2F3-x%EF%BC%9E1+1%2F2x-1%E2%89%A47-3%2F2x)
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|X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10|
x+2/x+1-x+3/x+2-x+4/x+3+x+5/x+4
x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x
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
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
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?
解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)