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数学题(英文)

a class total gt 48 ppl.
2 w1 a2 n% l" X7 S: N6 zTVBNOW 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。6 ppl din join any club. ]+ g6 ]! K; p! e" n1 O7 a+ I2 l
1/4 of the student in de clas join badminton club n computer club.. w# m# }6 X5 W7 J& Y: a1 X& @
the number of badminton club member which is not computer club member is 2 times de member of computer club.
. x; E* d5 x( Y  u( _* K2 b5 {' bhow many ppl in de clas join badminton club???
28 students are badminton club members only.
, J$ G; O9 W, q* I9 {1 zTVBNOW 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。
9 V+ a& |1 e- g( h) [9 utvb now,tvbnow,bttvb2 students are in computer club only.
/ E' Q, q) ~. w0 M# ?, _% L# x公仔箱論壇3 y  c' A2 j# ^& X7 g3 O
12 students are in both badminton and computer club.
1 q' \$ T4 g) J0 A7 Y1 R$ w& `, B0 c; \+ |
therefore 28+2+12+6=48
har ???
: Y7 i8 t( h. c8 Y+ w/ \5 ~48/4=12 ppl ...
1 J0 |+ T/ K% j' v8 |, \badmintion 2x = computer 1x
$ G2 \# {9 B6 A& o! I% Ztvb now,tvbnow,bttvbthen 12/3 x=4ppl6 `3 ?+ r3 i- e
badmintion 8 ppl ... computer 4 ppl
28 students
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