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数学题(英文)

a class total gt 48 ppl.
, t4 \- T/ a# x: |" ^; `5.39.217.776 ppl din join any club公仔箱論壇0 t1 f4 V8 J3 Q. {. U% n* ]
1/4 of the student in de clas join badminton club n 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。, R" \8 A* u" H. N
the number of badminton club member which is not computer club member is 2 times de member of computer club.
+ C* w) `- ~, b% e5 i7 b5.39.217.77how many ppl in de clas join badminton club???
28 students are badminton club members only.
$ }( ?- ^4 \- p* m公仔箱論壇
1 ]1 L9 s4 L8 Z" b' c$ N' O2 students are in computer club only.% Y2 w$ t' w2 L- _; N' \% y
tvb now,tvbnow,bttvb( n& Z" W& Y* R3 e7 J  `9 E! T9 y
12 students are in both badminton and computer club.5.39.217.774 F2 q7 i2 s& o/ _* M8 `1 y8 E: e. ]
% z; u* s. P, O+ i. n5 t
therefore 28+2+12+6=48
har ???4 j) X$ J% `  Z2 h4 u! q
48/4=12 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。/ c% z8 N" k( l' m" K& {
badmintion 2x = computer 1x
. B5 y0 X- n8 Z9 e7 m( R公仔箱論壇then 12/3 x=4ppl
! B- s% p4 l, j: [3 Rbadmintion 8 ppl ... computer 4 ppl
28 students
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