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数学题(英文)

a class total gt 48 ppl.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。1 p* m4 k4 ]4 u9 l# @: a  [
6 ppl din join any club公仔箱論壇5 Z8 a$ ?! a9 H" U2 n
1/4 of the student in de clas join badminton club n computer club.
" m- d% C5 }  Itvb now,tvbnow,bttvbthe number of badminton club member which is not computer club member is 2 times de member of computer club.
  ]* ]" |/ ^& R; M# g5.39.217.77:8898how many ppl in de clas join badminton club???
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