No Plagiarism!5ZZd8Cwayx3uaf3Bz0PDposted on PENANA 1,000,000粒沙子是一個丘,710Please respect copyright.PENANAdbgGwKVIkS一個丘減掉一粒沙子還是一個丘 ,710Please respect copyright.PENANAxv7Rq4njVF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?216.73.216.238ns216.73.216.238da2