초딩 수학 지도해 주는 아빠들?

대학원을 여기서 나왔는데.. 초등 수학을 못 가르친다고라… 허…. 바보네..
I didn’t even go to college here in the states,, all I have is a bachelor degree from s.korea… I had no problem teaching my son up to middle school…. I think you are not normal….