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数学题(英文)

a class total gt 48 ppl.
% S( w4 F8 Z. D: r2 w, `6 ppl din join any clubtvb now,tvbnow,bttvb1 k3 E2 E) v! [* n  a+ s' g+ @
1/4 of the student in de clas join badminton club n computer club.
  s7 K( j/ A( q3 B6 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。the number of badminton club member which is not computer club member is 2 times de member of computer club.
, X3 \6 [. H7 W5 Y& a公仔箱論壇how many ppl in de clas join badminton club???
28 students are badminton club members only.
0 J7 u: K+ v' {8 B: T" u; e& \. l公仔箱論壇
* h/ B0 U% ?& \, r* J. awww2.tvboxnow.com2 students are in computer club only.
7 {; B3 n8 o+ h( Z, W/ MTVBNOW 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。tvb now,tvbnow,bttvb: A0 m8 j# X5 m# e$ b/ O) E
12 students are in both badminton and computer club.公仔箱論壇$ z; y# e0 r0 G- ~8 S
tvb now,tvbnow,bttvb$ M( r! T/ r5 v1 }1 z/ U& \
therefore 28+2+12+6=48
har ???公仔箱論壇9 {& N! ]. |$ s% g% c" N" C0 Z
48/4=12 ppl ...
# ^$ a9 x+ n. A# A公仔箱論壇badmintion 2x = computer 1x
+ p; B- b4 f$ z6 T9 i公仔箱論壇then 12/3 x=4ppl公仔箱論壇% u+ O. t+ Q  Z6 e+ e; E# ~
badmintion 8 ppl ... computer 4 ppl
28 students
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