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数学题(英文)

a class total gt 48 ppl.www2.tvboxnow.com, r! C& ?. M( q1 Z3 b
6 ppl din join any club
& ], _. I9 v5 J. [1 u公仔箱論壇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。/ Y' t: }  K1 x2 P2 F+ F
the number of badminton club member which is not computer club member is 2 times de member of computer club.! M6 D' \: h4 c6 \7 j4 L4 d4 C
how many ppl in de clas join badminton club???
28 students are badminton club members only.tvb now,tvbnow,bttvb7 x8 K: q8 |# k. U: k: m
公仔箱論壇, P8 s% D2 K5 f$ P
2 students are in computer club only.tvb now,tvbnow,bttvb; ?1 {; h, G" I/ H/ @9 G) H9 Z
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12 students are in both badminton and computer club.
4 Z* E: G2 }& f( A3 j- c8 m公仔箱論壇公仔箱論壇# p3 q* F% L. R6 a
therefore 28+2+12+6=48
har ???
4 i: v% c. s; l0 I48/4=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。% g- j' ?  A' b
badmintion 2x = computer 1x5 g0 z6 k% U) ?  W
then 12/3 x=4ppl
3 V& {; p8 e+ mtvb now,tvbnow,bttvbbadmintion 8 ppl ... computer 4 ppl
28 students
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