数学题(英文)

a class total gt 48 ppl.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。% {- Q5 G- V5 M* G$ U) C6 ^) _% T
6 ppl din join any club+ [$ t1 n8 t' m5 h3 T. [
1/4 of the student in de clas join badminton club n computer club.4 A8 R4 A8 Z' Q& o
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

中級忍者

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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.
0 [! t2 N( t# T( ]1 x! e: m
2 students are in computer club only.
公仔箱論壇3 {4 _. a9 v' O" ?4 ^+ O( X2 T
12 students are in both badminton and computer club.
, n7 {8 a# W: \
therefore 28+2+12+6=48