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数学题(英文)

a class total gt 48 ppl.
+ s2 n( G& p" W5 I5.39.217.77:88986 ppl din join any clubtvb now,tvbnow,bttvb# ~( N$ r) u7 O+ d- I
1/4 of the student in de clas join badminton club n computer club.  o7 O& d: V0 Y* _
the number of badminton club member which is not computer club member is 2 times de member of computer club.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。4 Q) ~+ o9 r0 l& L5 D
how many ppl in de clas join badminton club???
28 students are badminton club members only.
1 g+ G6 v* |% K
$ O/ g  [% p6 h0 Utvb now,tvbnow,bttvb2 students are in computer club only.tvb now,tvbnow,bttvb# T2 n/ h; o0 `7 K

2 v, ]9 P# a* _" z0 S. K3 o7 Z0 v12 students are in both badminton and computer club.tvb now,tvbnow,bttvb" G. d( _8 y% S1 p3 F0 H* P

& F; z5 s* G; W5.39.217.77:8898therefore 28+2+12+6=48
har ???
1 f2 M9 W8 K  |公仔箱論壇48/4=12 ppl ...tvb now,tvbnow,bttvb( h2 Y" ]4 _. o
badmintion 2x = computer 1x
9 I( j  c* ~0 T1 B! jtvb now,tvbnow,bttvbthen 12/3 x=4ppl
" v" I- U2 p1 `0 Y/ S& @% cbadmintion 8 ppl ... computer 4 ppl
28 students
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