[計量] BB Test3 Section2

看板GRE (GRE入學考試)作者時間17年前 (2008/09/29 14:05), 編輯推噓3(305)
留言8則, 3人參與, 最新討論串1/1
想請教大家兩題 7.比大小 A bouns of $450 plus a 9 percent increase in annual salary A bouns of $500 plus an 8.5 percent increase in annual salary 答案是 D 請問一下為何不能比較阿? 27. Which of the following CANNOT be expressed as the sum of the squares of two integers? (A)13 (B)17 (C)21 <---答案 (D)29 (E)34 請問一下他題目在說什麼? 謝謝解答~ -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 220.133.78.101

09/29 14:20, , 1F
第二題我是一個一個用數字代:1.13=9+4
09/29 14:20, 1F

09/29 14:21, , 2F
2.17=16+1 4.29=25+4 5.34=25+9
09/29 14:21, 2F

09/29 14:22, , 3F
題目的意思就是:a平方+b平方不可能為..
09/29 14:22, 3F

09/29 16:14, , 4F
第一題因為他沒跟你說annual salary多少
09/29 16:14, 4F

09/30 23:49, , 5F
第一題要找三的倍數
09/30 23:49, 5F

09/30 23:49, , 6F
手誤 是第二題才對
09/30 23:49, 6F

09/30 23:50, , 7F
假設三個連續的數為 n-1,n,n+1 那他們的
09/30 23:50, 7F

09/30 23:51, , 8F
和就為3n
09/30 23:51, 8F
文章代碼(AID): #18u70DYk (GRE)
文章代碼(AID): #18u70DYk (GRE)