數學如何美...出乎意料之美...略施小計就是"神算手"

數學是最真的，一點也不能馬虎！
數學是最美的，不相信請看次下：

https://docs.google.com/viewer?a=v&pid=gmail&attid=0.1&thid=1324221140c60c38&mt=application/vnd.ms-powerpoint&url=https://mail.google.com/mail/?ui%3D2%26ik%3D180f983dca%26view%3Datt%26th%3D1324221140c60c38%26attid%3D0.1%26disp%3Dsafe%26zw&sig=AHIEtbTgyNjK-EYTe2IncLTnnkfVG57iLA

您也可成"神算手"