数学题(英文)

nelston

a class total gt 48 ppl.tvb now,tvbnow,bttvb9 _, Q6 N5 P( q, F2 {
6 ppl din join any club
, g5 F8 S0 ~9 ?2 G1/4 of the student in de clas join badminton club n computer club.
: X+ z; {4 X$ U# ^" M, pos.tvboxnow.comthe number of badminton club member which is not computer club member is 2 times de member of computer club.: L7 F" n& ~8 H3 T% m
how many ppl in de clas join badminton club???

genzo2106

28 students are badminton club members only.
* {. d( v7 v! y) r  T$ S
( H2 X; `! ~8 b; w4 n, s2 students are in computer club only.
. x  w2 U. _7 ]: ~! |9 `5 T2 A/ j0 e& xtvb now,tvbnow,bttvb; ~2 W. g: ~% |
12 students are in both badminton and computer club.9 l! R# k5 C- p7 j5 o8 A0 ]$ I9 S

, |1 }9 h& `* O; |, o; pos.tvboxnow.comtherefore 28+2+12+6=48

00360353

har ???
& K; P0 I# N, Kos.tvboxnow.com48/4=12 ppl ...tvb now,tvbnow,bttvb# s, J- U& n1 ~9 L1 W8 N
badmintion 2x = computer 1xos.tvboxnow.com/ W) ~  z/ j( P3 W+ d' `4 s
then 12/3 x=4ppl公仔箱論壇: [" p+ N1 |) S) U0 U4 F, Z1 \3 p1 f
badmintion 8 ppl ... computer 4 ppl

dick007

28 students