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数学题(英文)

a class total gt 48 ppl.
! I$ S( K3 {) f" Z/ O% c# \tvb now,tvbnow,bttvb6 ppl din join any club/ ~; _  p* c/ m! d5 S  g
1/4 of the student in de clas join badminton club n computer club.
' S9 e& ]& O, r# ]公仔箱論壇the number of badminton club member which is not computer club member is 2 times de member of computer club.
3 O: S! F2 C' dTVBNOW 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。how many ppl in de clas join badminton club???
28 students are badminton club members only.
! D  N0 o* @  }& j. n) A2 M/ X
. M" Y% i! @' cTVBNOW 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。2 students are in computer club only.tvb now,tvbnow,bttvb) q1 p+ s! H, X; k% G

* A. K+ k- Z- z- R12 students are in both badminton and computer club.
- E4 z, D/ ]' L3 Xtvb now,tvbnow,bttvbtvb now,tvbnow,bttvb, ?% X' F. x- I* m8 Q
therefore 28+2+12+6=48
har ???
+ I$ ?% t0 U6 F- r48/4=12 ppl ...
0 P8 ^" d( I* C) t/ Ebadmintion 2x = computer 1x
' B9 _# U8 l" GTVBNOW 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。then 12/3 x=4ppl
0 z- X, ~" u  v( H4 D! YTVBNOW 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。badmintion 8 ppl ... computer 4 ppl
28 students
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