Re: [計量] 印度網站數學 September 21st

看板GRE (GRE入學考試)作者 (頭暈暈腦脹脹)時間16年前 (2009/09/26 23:33), 編輯推噓3(305)
留言8則, 4人參與, 最新討論串2/4 (看更多)
y※ 引述《Mice (Mice)》之銘言: : http://ppt.cc/WBt5 : 15. 30 There are 'n' seats in an auditorium and there are 6 identical rows. The last row chairs are pulled owt and equal number of chairs is placed in each of the remaining rows such that each row appears identical after this whole transcation. What is the minimum value of n? 請問這題的意思是? 看不太懂 麻煩幫忙解答 感謝 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 114.47.88.187

09/27 00:06, , 1F
六排椅子 每排數量一樣多 拿掉一排平均分給其他排
09/27 00:06, 1F

09/27 00:07, , 2F
問椅子最小可能的數量 大概是這樣 :)
09/27 00:07, 2F

09/27 01:37, , 3F
要怎麼解呢? 我是想 設一排有x座位 => n=6x
09/27 01:37, 3F

09/27 01:39, , 4F
多的分到每排設一排可得y => x=5y
09/27 01:39, 4F

09/27 01:41, , 5F
(x+y)*5=6x=n 又和之前一樣了 要怎麼解呢
09/27 01:41, 5F

09/27 02:00, , 6F
代6跟5的公倍數 取最小的??
09/27 02:00, 6F

09/27 10:26, , 7F
原本六排,拿掉一排給五排分,所以原最少每排要5x
09/27 10:26, 7F

09/27 10:27, , 8F
所以椅子數目是30x 大概是這樣吧 = w = "
09/27 10:27, 8F
文章代碼(AID): #1AlZGqP6 (GRE)
文章代碼(AID): #1AlZGqP6 (GRE)