两个球的体积比为8:27,那么这两个球的表面积的比为?以知棱长为a,各面均为三角形的四面体,求它的表面积已知三脚刑的顶点A(8,5),B(4,-2),(-6,3),求经过两边AB和AC中点的直线的
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/28 04:02:35
![两个球的体积比为8:27,那么这两个球的表面积的比为?以知棱长为a,各面均为三角形的四面体,求它的表面积已知三脚刑的顶点A(8,5),B(4,-2),(-6,3),求经过两边AB和AC中点的直线的](/uploads/image/z/5435380-28-0.jpg?t=%E4%B8%A4%E4%B8%AA%E7%90%83%E7%9A%84%E4%BD%93%E7%A7%AF%E6%AF%94%E4%B8%BA8%3A27%2C%E9%82%A3%E4%B9%88%E8%BF%99%E4%B8%A4%E4%B8%AA%E7%90%83%E7%9A%84%E8%A1%A8%E9%9D%A2%E7%A7%AF%E7%9A%84%E6%AF%94%E4%B8%BA%3F%E4%BB%A5%E7%9F%A5%E6%A3%B1%E9%95%BF%E4%B8%BAa%EF%BC%8C%E5%90%84%E9%9D%A2%E5%9D%87%E4%B8%BA%E4%B8%89%E8%A7%92%E5%BD%A2%E7%9A%84%E5%9B%9B%E9%9D%A2%E4%BD%93%EF%BC%8C%E6%B1%82%E5%AE%83%E7%9A%84%E8%A1%A8%E9%9D%A2%E7%A7%AF%E5%B7%B2%E7%9F%A5%E4%B8%89%E8%84%9A%E5%88%91%E7%9A%84%E9%A1%B6%E7%82%B9A%EF%BC%888%EF%BC%8C5%EF%BC%89%EF%BC%8CB%EF%BC%884%EF%BC%8C-2%EF%BC%89%2C%EF%BC%88-6%EF%BC%8C3%EF%BC%89%EF%BC%8C%E6%B1%82%E7%BB%8F%E8%BF%87%E4%B8%A4%E8%BE%B9AB%E5%92%8CAC%E4%B8%AD%E7%82%B9%E7%9A%84%E7%9B%B4%E7%BA%BF%E7%9A%84)
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来源:学生作业帮助网 编辑:作业帮 时间:2024/07/28 04:02:35