No Plagiarism!jppMCoSCB5dicTYMTMdlposted on PENANA 1,000,000粒沙子是一個丘,714Please respect copyright.PENANAAskqLNKaJe一個丘減掉一粒沙子還是一個丘 ,714Please respect copyright.PENANA1jiunzJnah假如一直重複這清況的話(每次都減掉一粒沙子),到了最後會是一個丘等於一粒沙子嗎?216.73.216.82ns216.73.216.82da2