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Therearefivebooks.T,U,V,WandX,stackedontopofoneanotheronashelf.BookUistwobooksbelowWandimmediatelyontopofX.VisthreebooksaboveU.Whichbookisonthetopofthepileandwhichisatthebottom?Howtotranslateanddoit?Th

题目详情
There are five books.T,U,V,W and X,stacked on top of one another on a shelf.Book U is two books below W and immediately on top of X.V is three books above U.Which book is on the top of the pile and which is at the bottom?
How to translate and do it?Thanks a lot.
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答案和解析
书架上一共有五本书:T,U,V,W和X,摞成一摞.U是W下面第二本,而且在X上面.V是U上面第三本.请问,这堆书的最上面和最下面的一本分别是?
书从上到下的顺序是V,W,T,U,X.最上面是V,最下面是X