<iframe height="955px" scrolling="no" src="https://www.geogebra.org/material/iframe/id/twyhtw5x/width/400/height/200/border/888888/sfsb/true/smb/false/stb/false/stbh/false/ai/false/asb/false/sri/false/rc/false/ld/false/sdz/false/ctl/false" style="border: 0" title="经典立体几何坐标(难点是如何设点的坐标)" width="2028px"> </iframe>
标签：设点,难点,立体几何,坐标,经典,坐标系 From： https://www.cnblogs.com/xuebajunlutiji/p/17809135.html