Do they celebrate Pi Day?

所有跟帖： 

• 的确，3.2大于Pi。你也可以解解看。不过即使解出来了也先别说，等那个怪哉老兄先说。 -寅先生- ♂ (0 bytes) () 07/13/2015 postreply 16:20:52

• I find the answer, but I will wait tomorrow to give the solution -dr_yin- ♂ (0 bytes) () 07/13/2015 postreply 18:14:27