数学题(英文)

a class total gt 48 ppl.tvb now,tvbnow,bttvb* I0 Z3 H0 s; O9 Z, H5 k m
6 ppl din join any club# I5 M) q5 u9 M2 T
1/4 of the student in de clas join badminton club n computer club.5 p) t( f9 C4 n4 q" f) R
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.2 {" ?! s/ c& H) ~! U1 b9 S* l0 w
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。; r( ^7 l! x6 c. C9 G
2 students are in computer club only.4 y3 T% O0 j9 d1 ?# d5 s

12 students are in both badminton and computer club.

therefore 28+2+12+6=48