The sum of two facing pages of a book is 342.Find the two page numbers.
人气：163 ℃ 时间：2020-05-10 07:55:09
解答
一本书的相贴两页(其实是一张的后一页和下一张的前一页)的页码之和为342,求它们的页码数.
贴和应为奇数,题中是偶数不成立.
设前一页页码为n,后者为n+1,则n + n + 1 = 342
改正后自己做.
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