Bạn đang xem trang 1 / 1 trang

Change liquid of two glasses w/o the third glass

Gửi bàiĐã gửi: 23 Tháng 7 2007, 06:38
gửi bởi serveur
Given two glasses of water and acid. Can you change their position without using the third glass? It seems impossible but let's see!



:ugeek: