4道不等式.快.1.(x-1)(x-2)+(x-2)(x-3)-2(x-3)(x-4)≤-42.(x-6)(x-9)-(
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4道不等式.快.
1.(x-1)(x-2)+(x-2)(x-3)-2(x-3)(x-4)≤-4
2.(x-6)(x-9)-(x-7)(x-1)>7(2x-5)
3.(x-6)(x-9)-(x-7)(x+1)≤7(2x-5)
4.x(x-3)
1.(x-1)(x-2)+(x-2)(x-3)-2(x-3)(x-4)≤-4
2.(x-6)(x-9)-(x-7)(x-1)>7(2x-5)
3.(x-6)(x-9)-(x-7)(x+1)≤7(2x-5)
4.x(x-3)
![4道不等式.快.1.(x-1)(x-2)+(x-2)(x-3)-2(x-3)(x-4)≤-42.(x-6)(x-9)-(](/uploads/image/z/19632241-1-1.jpg?t=4%E9%81%93%E4%B8%8D%E7%AD%89%E5%BC%8F.%E5%BF%AB.1.%28x-1%29%28x-2%29%2B%28x-2%29%28x-3%29-2%28x-3%29%28x-4%29%E2%89%A4-42.%EF%BC%88x-6%EF%BC%89%EF%BC%88x-9%29-%EF%BC%88)
1.(x-1)(x-2)+(x-2)(x-3)-2(x-3)(x-4)≤-4
x^2-3x+2-x^2-5x+6-2x^2+14x-24≤4
6x≤20
x≤10/3
2.(x-6)(x-9)-(x-7)(x-1)>7(2x-5)
x^2-15x+54-x^2+8x-7>14x-35
-7x+47>14x-35
21x
x^2-3x+2-x^2-5x+6-2x^2+14x-24≤4
6x≤20
x≤10/3
2.(x-6)(x-9)-(x-7)(x-1)>7(2x-5)
x^2-15x+54-x^2+8x-7>14x-35
-7x+47>14x-35
21x
|X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10|
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