数学题(英文)

nelston

a class total gt 48 ppl.
3 D2 M0 Y& x$ I" |公仔箱論壇6 ppl din join any club
% {7 \* y7 i4 H9 V! {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。1/4 of the student in de clas join badminton club n computer club.公仔箱論壇% h) I( q8 Q5 [5 \
the number of badminton club member which is not computer club member is 2 times de member of computer club.
: G  t& x# S% w- S3 Qhow many ppl in de clas join badminton club???

genzo2106

28 students are badminton club members only.( o& V3 Z4 T8 n3 ^7 I

' @& d; M* |9 O5 O1 o' g2 students are in computer club only.
4 k9 }# l4 n5 |- J1 U
& q6 `7 B+ m' k* T  Y12 students are in both badminton and computer club.2 h2 t& B- u/ H  `- B* S

* J- F' n* M: y4 ?" ]# otherefore 28+2+12+6=48

00360353

har ???, b7 S% A. \  q, C2 b2 E, x
48/4=12 ppl ...
% O9 @; b( l+ f% abadmintion 2x = computer 1x
; ?- T1 ]6 e5 v+ y; f8 m! o$ `公仔箱論壇then 12/3 x=4ppl+ o7 [5 e6 K$ K3 V! f, `' z6 X
badmintion 8 ppl ... computer 4 ppl

dick007

28 students