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数学题(英文)

a class total gt 48 ppl.
9 w5 l0 H* L* M0 a/ Ltvb now,tvbnow,bttvb6 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。2 O0 ^% `. \4 g  U- D
1/4 of the student in de clas join badminton club n computer club.
6 w: o4 G7 i! U6 P' c! }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.
/ C2 W9 S- \/ [# t# Q$ Stvb now,tvbnow,bttvbhow many ppl in de clas join badminton club???
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