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数学题(英文)

a class total gt 48 ppl.
  \/ E# f$ C- b3 _公仔箱論壇6 ppl din join any clubTVBNOW 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。& A8 Z# E, a* P+ C0 M
1/4 of the student in de clas join badminton club n computer club.6 I: C+ c: H' Z* D$ q; L3 K
the number of badminton club member which is not computer club member is 2 times de member of computer club.5.39.217.765 p+ e5 C# \' K& p( T6 d
how many ppl in de clas join badminton club???
28 students are badminton club members only.tvb now,tvbnow,bttvb1 R- P3 a' |3 i+ k. |9 h
5.39.217.766 q( ~  j: g' m
2 students are in computer club only.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。$ y) [3 I# P6 m- n; d1 `

$ S+ c$ X7 J- z4 M  `: J12 students are in both badminton and computer club.+ a9 {1 k) ^: y

' H7 h! ^3 {/ v; \, [! W5.39.217.76therefore 28+2+12+6=48
har ???公仔箱論壇/ }; e2 O/ S" l$ `- p1 Q6 f
48/4=12 ppl ...tvb now,tvbnow,bttvb- U2 F! V% r- z2 Q: c) j! Y( w- K
badmintion 2x = computer 1x& d+ u+ f4 \2 W' M! a- ~" C
then 12/3 x=4ppl
$ R! z( W; [  x; m" W$ l  E5.39.217.76badmintion 8 ppl ... computer 4 ppl
28 students
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