7楼: Originally posted by renielgx at 2011-06-23 22:39:25
你好，请问下面这个积分怎么求呢？
http://latex.codecogs.com/gif.latex?\int_{0}^{1}\frac{1}{0.88\times&space;\sqrt{2\pi&space;}}\int_{0}^{x}\frac{exp\left&space;(&space;-\frac{(lnt-0. ...