No Plagiarism!FwlBRLfYbHk5ZXNN0c4Vposted on PENANA 1,000,000粒沙子是一個丘,697Please respect copyright.PENANA9GOx6AIt9t一個丘減掉一粒沙子還是一個丘 ,697Please respect copyright.PENANAaN1Pt8Z4wJ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?216.73.216.251ns216.73.216.251da2