作者CSL (原諒我的無能為力)
看板GRE_Verbal
標題[討論]問兩題數學
時間Thu Oct 26 22:43:24 2006
1.If y is the average(arithmetic mean) of
n consecutive positive integers, n>1
what is the sum of the greatest and least of
these integers?
答案是2y
2. S is a set of n consecutive integers
The mean of S The median of S
答案是C一樣大
謝謝!!
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1F：推 Senkousha:y-n ... y-1 y y+1 ... y+n 10/26 22:59
2F：推 ohb:這種題目我覺得就代數字進去試 如果真的不會的話 10/26 23:12