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数学题(英文)

a class total gt 48 ppl.
, Y$ |) \; O, D( stvb now,tvbnow,bttvb6 ppl din join any clubtvb now,tvbnow,bttvb" N5 g0 r$ }, r% L  m  p/ w5 ]
1/4 of the student in de clas join badminton club n computer club.$ a& w' ~, W6 w- v) K- |
the number of badminton club member which is not computer club member is 2 times de member of computer club.tvb now,tvbnow,bttvb% }" A% C; W) D4 s$ s7 w1 R
how many ppl in de clas join badminton club???
28 students are badminton club members only.
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2 g6 k6 t' Y. d6 Vtvb now,tvbnow,bttvb2 students are in computer club only.! Y1 S4 ?3 N" f1 K
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12 students are in both badminton and computer club.
% q6 u4 D3 A: H! K1 c" T1 LTVBNOW 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。+ e8 @1 c1 r1 N3 a
therefore 28+2+12+6=48
har ???tvb now,tvbnow,bttvb# J) P9 O0 `3 \; q' L, G( O' Q
48/4=12 ppl ...公仔箱論壇: u* O/ x# o+ c6 @
badmintion 2x = computer 1x
1 E! A2 Z9 x7 [5 d) mtvb now,tvbnow,bttvbthen 12/3 x=4ppltvb now,tvbnow,bttvb6 I* B7 v3 w6 k( w
badmintion 8 ppl ... computer 4 ppl
28 students
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