1.There are two bookshelves A and B .There are 450 books on them.If we take 25 books from A to B the number of the book
问题描述：
1.There are two bookshelves A and B .There are 450 books on them.If we take 25 books from A to B the number of the book are the same .Do you know how many books there are on bookshelf A and bookshelf B originally?
(A) 250 200 (B) 225 215 (C)200 250 (D)215 225
答
有两个书架A和B,上面有450本书.如果从A拿走25本到B,两个书架上的书数目一样.请问原来A和B上面各有多少本书?
正确答案应该是：A