作业帮先化简再求值(m-3)/(3m²-6m)/[(m+2-5/m-2)]其中m是方程x²+3x-1=0的根[要过程][好评]
来源：学生作业帮助网 编辑：作业帮 时间：2024/04/28 07:14:47
![先化简再求值(m-3)/(3m²-6m)/[(m+2-5/m-2)]其中m是方程x²+3x-1=0的根[要过程][好评]](/uploads/image/z/1012627-19-7.jpg?t=%E5%85%88%E5%8C%96%E7%AE%80%E5%86%8D%E6%B1%82%E5%80%BC%28m-3%29%2F%283m%26%23178%3B-6m%29%2F%5B%28m%2B2-5%2Fm-2%29%5D%E5%85%B6%E4%B8%ADm%E6%98%AF%E6%96%B9%E7%A8%8Bx%26%23178%3B%2B3x-1%3D0%E7%9A%84%E6%A0%B9%5B%E8%A6%81%E8%BF%87%E7%A8%8B%5D%5B%E5%A5%BD%E8%AF%84%5D)
先化简再求值(m-3)/(3m²-6m)/[(m+2-5/m-2)]其中m是方程x²+3x-1=0的根[要过程][好评]
先化简再求值(m-3)/(3m²-6m)/[(m+2-5/m-2)]其中m是方程x²+3x-1=0的根[要过程][好评]
先化简再求值(m-3)/(3m²-6m)/[(m+2-5/m-2)]其中m是方程x²+3x-1=0的根[要过程][好评]
化简得1/3m求方程根代入两个根不一定都可以你自己看吧