[問題] 幾題簡單數學題

看板GRE (GRE入學考試)作者 (噢)時間17年前 (2008/08/23 23:30), 編輯推噓9(904)
留言13則, 9人參與, 最新討論串1/1
The equation x^2 + 4x +C =0 has x=0 as one solution. The other solution is x=? A)-14 B)-10 C)-4 D)4 E)14 ans:A 怎麼算都是C..怪了 If the smallar of 2 consecutive odd integers is a mutiple of 5, which of the following could NOT be the sum of these 2 integers? A)-8 B)12 C)22 D)52 E)252 ans:A 我算C..A答案-8=-3 + -5應該可以吧 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 220.136.214.190

08/23 23:33, , 1F
22=10+12
08/23 23:33, 1F

08/23 23:34, , 2F
odd 沒看到0.0
08/23 23:34, 2F

08/23 23:36, , 3F
我算出來也跟你一樣... C C......@@
08/23 23:36, 3F

08/23 23:36, , 4F
答案錯吧
08/23 23:36, 4F

08/23 23:43, , 5F
C C吧?
08/23 23:43, 5F

08/24 00:34, , 6F
答案錯了吧
08/24 00:34, 6F

08/24 02:08, , 7F
第二題題目能翻譯一下嗎? 看不太懂 謝謝
08/24 02:08, 7F

08/24 02:38, , 8F
兩個連續的質數中 較小的一個值為5的倍數
08/24 02:38, 8F

08/24 02:39, , 9F
此二質數相加的值不可能為下列答案哪一個?
08/24 02:39, 9F

08/24 02:39, , 10F
第二題應該是C沒錯
08/24 02:39, 10F

08/24 03:37, , 11F
說錯了 是兩個奇數= =
08/24 03:37, 11F

08/24 03:56, , 12F
我算也是兩題都CC
08/24 03:56, 12F

08/24 23:52, , 13F
這題數學徐老師說他給錯答案 別擔心
08/24 23:52, 13F
文章代碼(AID): #18i2qR5n (GRE)
文章代碼(AID): #18i2qR5n (GRE)