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数学题(英文)

a class total gt 48 ppl.tvb now,tvbnow,bttvb3 T9 _% F1 J4 k8 _- v2 V" x
6 ppl din join any clubtvb now,tvbnow,bttvb8 s' ^, `) I: W& y- q0 n
1/4 of the student in de clas join badminton club n computer club.
! S' N# @9 w7 t8 C. h/ }: fthe number of badminton club member which is not computer club member is 2 times de member of computer club.tvb now,tvbnow,bttvb& k2 ^' H/ {( J6 N0 S7 e8 Y
how many ppl in de clas join badminton club???
28 students are badminton club members only.
7 A: n9 X; {' w公仔箱論壇
8 W& ~, B$ m: Z! H$ j; k: LTVBNOW 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。2 students are in computer club only.公仔箱論壇7 e" S/ z7 q4 f7 \; O; T" m* e
公仔箱論壇; m: R0 ?; F7 T& Y/ w
12 students are in both badminton and computer club.
: H# ^3 G0 U! D, v/ P公仔箱論壇
, `' g! C2 B/ H- M. Y) ztherefore 28+2+12+6=48
har ???
$ q  w/ J4 K" j2 l% P7 w48/4=12 ppl ...
9 {5 s( Y/ _  Y" X, p' j& o  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。badmintion 2x = computer 1x
9 r2 E" I8 c! T! H: C4 \4 X* {then 12/3 x=4pplTVBNOW 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。+ _* L0 z0 s: R% t6 L" }8 E
badmintion 8 ppl ... computer 4 ppl
28 students
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