数学题(英文)

nelston

a class total gt 48 ppl.
/ e- X3 |# Q/ X; `: e: M/ gtvb now,tvbnow,bttvb6 ppl din join any club
. p7 y2 E. B# A2 A) r: z' c, R5.39.217.77:88981/4 of the student in de clas join badminton club n computer club.tvb now,tvbnow,bttvb7 K# B2 I0 x% O' U$ N$ L  {8 ~) d7 ?
the number of badminton club member which is not computer club member is 2 times de member of computer club.
* b# m6 q4 O* E( \; b0 B% I  y* qhow many ppl in de clas join badminton club???

genzo2106

28 students are badminton club members only.
: G. p1 S* \5 f1 [& \: r1 n5.39.217.77:88981 z( @& t5 [  O
2 students are in computer club only.3 D1 ~+ ?9 ^6 K- L, f( L# F+ b
3 [* D( m1 @) k, @# n9 B/ y
12 students are in both badminton and computer club.5.39.217.77:8898% f$ A0 v; c+ k$ s9 u  {

# j, t; J, |0 i% p0 [3 _, H: \therefore 28+2+12+6=48

00360353

har ???tvb now,tvbnow,bttvb" y9 o+ K9 i5 F3 N! g8 M4 s! J, o4 y
48/4=12 ppl ...
, P* n# A  V4 j( J' ]! B: ctvb now,tvbnow,bttvbbadmintion 2x = computer 1xtvb now,tvbnow,bttvb1 e8 N: L9 B. `; y9 C, m
then 12/3 x=4ppl公仔箱論壇: n! I+ d* h; R, e5 @
badmintion 8 ppl ... computer 4 ppl

dick007

28 students