PTT職涯區 / GRE (GRE入學考試)

[計量] 陳向東數學高分快速突破

看板GRE (GRE入學考試)作者 (ice)時間15年前 (2011/01/23 03:40), 編輯推噓1(1推 0噓 5→)
留言6則, 3人參與, 最新討論串1/2 (看更多)
剛算到一題想不出解法 麻煩大家指點一下 A survey of 100 persons revealed that 72 of them had eaten at restaurant P and that 52 of them had eatn at restaurant Q. Which of the following could not be the number of persons in the surveyed group who had eaten at both P and Q? (A) 20 (B)24 (C)30 (D)50 (E)52 答案給的是A -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 128.211.251.67
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01/23 03:51, , 1F
52+72-100=24是同時吃兩家的最少個數
01/23 03:51, 1F
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01/23 04:40, , 2F
對齁!!! 這幾天腦子都被單字塞爆了 轉不過來
01/23 04:40, 2F
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01/23 04:41, , 3F
感謝一樓孩子王的解答 m(_ _)m
01/23 04:41, 3F
推
01/23 04:43, , 4F
^^^^^^ 胖虎? XD
01/23 04:43, 4F
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01/23 04:53, , 5F
參見版主!!!
01/23 04:53, 5F
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01/23 04:54, , 6F
一樓的ID直翻不就是超級孩子王 >w<
01/23 04:54, 6F
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