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数学题(英文)

a class total gt 48 ppl.公仔箱論壇6 U' X! U; N1 e3 v; T! n
6 ppl din join any club
+ ?& t; y9 L2 N+ [: G& U1/4 of the student in de clas join badminton club n computer club.
6 d9 _+ X  o5 s- j$ H) K0 V公仔箱論壇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。! t" b" m! m! ~! R- b$ v2 ^) `
how many ppl in de clas join badminton club???
28 students are badminton club members only.公仔箱論壇& o) w( M; v$ v$ k; ]

. ^* s. l3 h% g0 g, c+ R公仔箱論壇2 students are in computer club only.
! a6 e* c  V) {) o/ q7 ?8 E" y$ R, d! H' W
12 students are in both badminton and computer club.
8 o/ q. t9 e& o8 @8 {& B) Fwww2.tvboxnow.com3 R! D1 r* r  u$ Q7 y1 F
therefore 28+2+12+6=48
har ???8 ]- W+ Z2 O( e6 k- R
48/4=12 ppl ...www2.tvboxnow.com- @$ {% W  O0 H
badmintion 2x = computer 1xTVBNOW 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 e  Z4 T3 A( u) p
then 12/3 x=4ppl公仔箱論壇& _: X, o6 n/ A; q& e1 M
badmintion 8 ppl ... computer 4 ppl
28 students
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