28 students are badminton club members only.
& w6 n$ T5 Y" A* N% ]- D2 j: f; A1 A1 B. n; J, P
2 students are in computer club only.
- k5 d3 [* {* |9 j, J! Q7 STVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。& ^! a- g! E! @
12 students are in both badminton and computer club.
* `" x; C9 b" d& L3 @公仔箱論壇, H1 A9 ]$ M; Q: ^; R; } ^) W* k9 f
therefore 28+2+12+6=48 |
發表於 2007-9-12 01:49 PM
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