一個丘減掉一粒沙子還是一個丘 ,575Please respect copyright.PENANAE9k5Kd8PcP
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?ns 15.158.61.16da2
After each update request, the author will receive a notification!
smartphone100 → Request update
15.158.61.16
ns 15.158.61.16da2