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数学题(英文)

a class total gt 48 ppl.
+ b& x7 w; C4 ]& F5 r9 V! l6 C6 ppl din join any clubtvb now,tvbnow,bttvb& j- _/ ?& e/ i5 U" r
1/4 of the student in de clas join badminton club n computer club.; V, g1 |& }, Q. h5 n$ a& l$ U
the number of badminton club member which is not computer club member is 2 times de member of computer club.公仔箱論壇+ G! J) z* p0 z6 @8 d
how many ppl in de clas join badminton club???
28 students are badminton club members only." w3 w: f% X' j
1 A7 V) |8 L, R6 I
2 students are in computer club only.www2.tvboxnow.com. y7 Y) R( o2 \

* t% Q2 ^- H& r4 [& }公仔箱論壇12 students are in both badminton and computer club.8 ^! l$ t* H# d/ O+ C7 Z' N+ V
8 h% w. y0 b  K7 J3 h
therefore 28+2+12+6=48
har ???
$ f0 H+ D) e5 j7 O" ~6 jtvb now,tvbnow,bttvb48/4=12 ppl ...
3 d9 z, ~* G/ M" c, r5 \1 l; P' nTVBNOW 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 2x = computer 1x公仔箱論壇" [, k. `: c/ P* w- o: e
then 12/3 x=4pplwww2.tvboxnow.com, t( U$ U/ ]# s
badmintion 8 ppl ... computer 4 ppl
28 students
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