STEP4:算!学以致用，完美学妹概率分析。 STEP4: calculate!application,Perfect the lower classwoman probability analysis.

详细见专题： Detailed see project:2012双节，约个师妹去旅行，教你如何搞定学妹

2012 double festival,About a teacher younger sister to travel,Teach you how to fix the lower classwoman

　　谁说学数学没有用了?说谁学数学非得当数学家?谁说理工男追女生没有优势了?这年头拼得是智商，明白不?谁他丫还写诗呀?老土了!数学课不知道从何时起深受大学生的欢迎了，课堂再也没有人逃课了，老师都受到惊吓了。古有诸葛孔破敌神机妙算，今有学长算学妹出现率信手拈来，中国文化真是博大精深啊，佩服!

Who said there to learn math?Say who learn mathematics have to when mathematicians?Who says polytechnic male chasing girls no advantage?This year spell is intelligence quotient (IQ),Understand not?Who he ya also write poetry ah?cliche!Math don't know since when college students by the welcome,Classroom no one cut class,Teachers are startled.Ancient have ZhuGeKong broken enemy SJMS,This is the senior mathematics sister random occurrence rate,Chinese culture is extensive and profound ah,admire!

　　下面这几个行文字是教你怎样用概率的方法计算心仪学妹出现的概率，是难得的公开课，一定要认真学哦。

The following a few lines of text is to teach you how to use probability method to calculate the probability of lower classwoman right there,Is a rare public class,Must earnestly learn oh.