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
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![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](/uploads/image/z/8975120-32-0.jpg?t=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%3F%28A%29+250+200+%28B%29+225+215+%28C%29200+250+%28D)
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
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
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
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
A+B=450
A-25=B+25
答案是A
选a