[計量] 請問2題數學

看板GRE (GRE入學考試)作者 (joie de vivre)時間17年前 (2008/08/26 12:42), 編輯推噓2(202)
留言4則, 3人參與, 最新討論串3/4 (看更多)
1. n = (28)^3 Column A: The units of digit of n Column B: 4 Ans: B > A ??? 2. Seven one-dollar bills are to be distributed among three people so that each person receive at least $1. Column A: The number of ways to distribute the bills so that at least one person receives at least $3 Column B: The total number of ways to distribute the bills 可以教我怎麼解嗎...謝謝!! -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 76.231.44.118

08/26 13:42, , 1F
第一題A=28^3的最小整數=2 所以B>A
08/26 13:42, 1F

08/26 13:43, , 2F
第二題我算B=4 A=2耶 不曉得對不對?
08/26 13:43, 2F

08/26 14:07, , 3F
第二題感覺是一樣吧?!最少都有一人3塊
08/26 14:07, 3F

08/27 07:49, , 4F
原來第一題是我誤會題意了 謝謝回答^^
08/27 07:49, 4F
文章代碼(AID): #18iucuc6 (GRE)
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文章代碼(AID): #18iucuc6 (GRE)