0)点B(a,0)二者与点C形成直线斜率的乘积为K.K=-2二者..点A(-a,0)点B(a,0)二者与点C形成直线斜率的乘积为K.若K=-2则三角形ABC是锐角三角形...为啥..
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/29 12:37:23
![0)点B(a,0)二者与点C形成直线斜率的乘积为K.K=-2二者..点A(-a,0)点B(a,0)二者与点C形成直线斜率的乘积为K.若K=-2则三角形ABC是锐角三角形...为啥..](/uploads/image/z/1381245-69-5.jpg?t=0%29%E7%82%B9B%28a%2C0%29%E4%BA%8C%E8%80%85%E4%B8%8E%E7%82%B9C%E5%BD%A2%E6%88%90%E7%9B%B4%E7%BA%BF%E6%96%9C%E7%8E%87%E7%9A%84%E4%B9%98%E7%A7%AF%E4%B8%BAK.K%3D-2%E4%BA%8C%E8%80%85..%E7%82%B9A%28-a%2C0%29%E7%82%B9B%28a%2C0%29%E4%BA%8C%E8%80%85%E4%B8%8E%E7%82%B9C%E5%BD%A2%E6%88%90%E7%9B%B4%E7%BA%BF%E6%96%9C%E7%8E%87%E7%9A%84%E4%B9%98%E7%A7%AF%E4%B8%BAK.%E8%8B%A5K%3D-2%E5%88%99%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E6%98%AF%E9%94%90%E8%A7%92%E4%B8%89%E8%A7%92%E5%BD%A2...%E4%B8%BA%E5%95%A5..)
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来源:学生作业帮助网 编辑:作业帮 时间:2024/07/29 12:37:23