（42+43）÷17%
=85÷17%
=500（页）
答：这本故事书一共有500页．
小军读一本故事书，第一天共读42页，第二天共读43页，两天读了全书的17%．这本故事书共有多少页？
小军读一本故事书，第一天共读42页，第二天共读43页，两天读了全书的17%．这本故事书共有多少页？
数学人气：949 ℃时间：2019-11-05 11:55:54
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