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数学题(英文)

a class total gt 48 ppl.os.tvboxnow.com9 x6 d) O9 Q% s" R7 n" F* X
6 ppl din join any club% Q- @  y, H$ Y8 L5 Y* s- \, {
1/4 of the student in de clas join badminton club n computer club.
% o& V& u( S& _6 C' S+ ?3 V* K+ H4 }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。the number of badminton club member which is not computer club member is 2 times de member of computer club.tvb now,tvbnow,bttvb# F3 @, w' c4 \) @
how many ppl in de clas join badminton club???
28 students are badminton club members only.tvb now,tvbnow,bttvb# j6 k, p" U/ F

' V5 m6 \. D  ^" q0 Y8 A6 U2 students are in computer club only.
; P* s- q# x7 v% I公仔箱論壇公仔箱論壇  b' ?) d# b. `% U
12 students are in both badminton and computer club.
+ D* H+ d3 ~+ W3 ^/ Ytvb now,tvbnow,bttvbtvb now,tvbnow,bttvb! N" x# \6 a9 G% x
therefore 28+2+12+6=48
har ???
$ u  w* Q& f# y6 \% B8 e' l48/4=12 ppl ...( k  f. ^7 h5 U  s- ?* G
badmintion 2x = computer 1x公仔箱論壇9 B4 a' }$ r1 t
then 12/3 x=4ppl# ~/ r+ [" W. n& {, u
badmintion 8 ppl ... computer 4 ppl
28 students
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