一個丘減掉一粒沙子還是一個丘 ,612Please respect copyright.PENANAcxc2aQ0E19
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?ns3.145.158.137da2
After each update request, the author will receive a notification!
smartphone100 → Request update
3.145.158.137
ns3.145.158.137da2