有m个学生，若每间宿舍分配n个人，则还有1人住不下，那么宿舍共有m−1nm−1n间．

Question

(m−1)/(n)

(m−1)/(n)(m−1)/(n)m−1m−1nn

(m−1)/(n)

(m−1)/(n)(m−1)/(n)m−1m−1nn

Answer 1

∵住进宿舍的人数为m-1，每间宿舍分配n个人，
∴宿舍有(m−1)/(n)间，
故答案为(m−1)/(n)． (m−1)/(n)m−1m−1m−1nnn间，
故答案为(m−1)/(n)． (m−1)/(n)m−1m−1m−1nnn．