数学题(英文)

a class total gt 48 ppl.
6 ppl din join any clubTVBNOW 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。' `- d/ E9 C; u1 R7 X: H+ e) _
1/4 of the student in de clas join badminton club n computer club.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。 [" U3 k4 q* ^) b0 Z1 B' }. @
the number of badminton club member which is not computer club member is 2 times de member of computer club.
how many ppl in de clas join badminton club???

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genzo2106

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發表於 2007-9-12 01:49 PM | 只看該作者

28 students are badminton club members only.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。( g: ?  o  j5 @# e9 ?1 |
公仔箱論壇1 q0 P5 c2 w0 @3 o# `5 J
2 students are in computer club only.  a* i, b4 K& `8 M" X7 L+ U
5.39.217.77:88986 p, C: |  q, k4 d
12 students are in both badminton and computer club.公仔箱論壇: R( |! R! {! u7 k4 x

therefore 28+2+12+6=48