[請益] 宴會問題
有100人
其中有76人會法語
85人會英語
10人都不會
請問宴會里有多少人同時會法語和英語??
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※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 220.228.84.73
推
09/22 11:07, , 1F
09/22 11:07, 1F
→
09/22 11:08, , 2F
09/22 11:08, 2F
→
09/22 11:08, , 3F
09/22 11:08, 3F
→
09/22 11:09, , 4F
09/22 11:09, 4F
※ 編輯: hardmore 來自: 220.228.84.73 (09/22 15:58)
推
09/22 15:58, , 5F
09/22 15:58, 5F
→
09/22 15:59, , 6F
09/22 15:59, 6F
→
09/22 16:00, , 7F
09/22 16:00, 7F
→
09/22 23:52, , 8F
09/22 23:52, 8F
推
09/24 21:10, , 9F
09/24 21:10, 9F
推
09/22 15:48, , 10F
09/22 15:48, 10F
→
07/07 21:02,
5年前
, 11F
07/07 21:02, 11F
討論串 (同標題文章)