杭州交通信息网小米4呼吸灯设置:请教大家几道数学题目。
来源：百度文库 编辑：杭州交通信息网 时间：2024/05/06 00:05:30
1、(x^2/x-1)-x-1
2、[(x^2+2xy+y^2)/(x^2*y+xy^2)]-[(x^2-2xy+y^2)/(x^2*y-xy^2)]
3、[(x+2)/(x-1)]*[(x^2-1)/(x^2-4)]-[(7x-2)/(x^2-4)]
4、[(4-x)/(2x^2-4x)]/{[(x+2)/(x^2-2x)]-[(x-1)/(x^2-4x+4)]}
5、{[(x+1)/(2x-2)]-[6/(x^2-1)]-[(x+3)/(2x+2)]}/[3/(4x^2-4)]
2、[(x^2+2xy+y^2)/(x^2*y+xy^2)]-[(x^2-2xy+y^2)/(x^2*y-xy^2)]
3、[(x+2)/(x-1)]*[(x^2-1)/(x^2-4)]-[(7x-2)/(x^2-4)]
4、[(4-x)/(2x^2-4x)]/{[(x+2)/(x^2-2x)]-[(x-1)/(x^2-4x+4)]}
5、{[(x+1)/(2x-2)]-[6/(x^2-1)]-[(x+3)/(2x+2)]}/[3/(4x^2-4)]
1 (2x-1)/(x-1)
2 2/x
3 (x-2)/(x+2)
4 (x^2-6x-8)/(6x-8)
5 32/3
1 (2x-1)/(x-1)
2 2/x
3 (x-2)/(x+2)
4 (x^2-6x-8)/(6x-8)
5 32/3