a class total gt 48 ppl.- F1 Z `; Q8 J8 r6 Z
6 ppl din join any club9 Z7 Z' d* W) G8 f- n [4 j4 C
1/4 of the student in de clas join badminton club n computer club. 2 P7 s: j% p, }9 G2 ^) Ttvb now,tvbnow,bttvbthe number of badminton club member which is not computer club member is 2 times de member of computer club. % F/ Q9 Q. l; J) P+ g- Xtvb now,tvbnow,bttvbhow many ppl in de clas join badminton club???作者: genzo2106 時間: 2007-9-12 01:49 PM
28 students are badminton club members only.5.39.217.76* h! b$ T4 }! o; t' x, g
公仔箱論壇$ W: l" {6 M# z: a% B2 @
2 students are in computer club only.! p- Z7 D( u/ h
: ^/ ^7 |/ X7 s0 u% {, h公仔箱論壇12 students are in both badminton and computer club. ) \: R6 ^4 @# S/ {6 o# f$ l2 \& F* z/ ~& Q6 }6 p5 i: _, A/ ]
therefore 28+2+12+6=48作者: 00360353 時間: 2007-9-12 06:59 PM
