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数学题(英文)

a class total gt 48 ppl.
* j% o* |0 Y4 y3 T$ g4 R6 Z  E5 C8 Vtvb now,tvbnow,bttvb6 ppl din join any club
' W6 J) Z0 k/ m; m! `* N  bTVBNOW 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。1/4 of the student in de clas join badminton club n computer club.公仔箱論壇, {. C2 H- p! `$ K3 X1 z
the number of badminton club member which is not computer club member is 2 times de member of computer club.
- J: T. x9 I7 M" L  S6 Y7 Show many ppl in de clas join badminton club???
28 students are badminton club members only.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。! }( S8 w) b5 w

! x7 ?1 X1 D- W- L% Y- w2 students are in computer club only.
4 e$ T+ c8 ?# ]# X# p. G( U公仔箱論壇
& f7 S: m5 d4 I/ P$ x3 z3 V( htvb now,tvbnow,bttvb12 students are in both badminton and computer club.5.39.217.76' x5 c: c* y5 a6 e4 l" U
公仔箱論壇5 _+ ?4 `* I6 u1 q3 ]7 p
therefore 28+2+12+6=48
har ???7 m. v! w1 D4 I3 E4 \9 E7 ?4 d
48/4=12 ppl ...5.39.217.76$ P& a' F- L, u
badmintion 2x = computer 1x" ]" i) n( y& S; \, H
then 12/3 x=4ppl
8 ^  s9 D9 z2 E! @4 F+ cTVBNOW 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 8 ppl ... computer 4 ppl
28 students
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