
1 GordianZ 2010-08-19 14:26:48 +08:00 画个图用勾股定理都能算出来,就这么点动手能力都没有? http://en.wikipedia.org/wiki/Triangulation |
2 badec 2010-08-19 14:30:38 +08:00 呃,确实也有数学不好的人. |
3 utom OP (xa-xb)+(ya-yb)=w (xa-xc)+(ya-yc)=w (xb-xc)+(yb-yc)=n 求xc yc |
6 explon 2010-08-19 15:35:12 +08:00 无聊人士 |
7 jiangxiaolei 2010-08-19 16:15:46 +08:00 炫耀贴~ |