问题
解答题
学校天天书屋有科普读物640本，比故事书的本数多60%．天天书屋有故事书多少本？
答案
640÷（1+60%），
=640÷1.6，
=400（本）；
答：天天书屋有故事书400本．
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学校天天书屋有科普读物640本，比故事书的本数多60%．天天书屋有故事书多少本？
640÷（1+60%），
=640÷1.6，
=400（本）；
答：天天书屋有故事书400本．
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