28 students are badminton club members only.os.tvboxnow.com% }8 _1 I" i! M% k- h
& K; a: a6 J9 E# U* D" ~/ c2 students are in computer club only.os.tvboxnow.com! f* Z1 R) Z& D5 {6 h1 a
TVBNOW 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。7 f3 z' ]8 a: o; c
12 students are in both badminton and computer club.
7 e, C) y& y" _& vTVBNOW 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。$ X: g% E1 D% B/ B: j/ w. P" [
therefore 28+2+12+6=48 |
發表於 2007-9-12 01:49 PM
| 