数学题(英文)

nelston

a class total gt 48 ppl.os.tvboxnow.com6 K: B, P8 [5 B; e. _
6 ppl din join any club
7 ?9 T8 e- c, F2 n- O1/4 of the student in de clas join badminton club n computer club.
" j7 y# ]9 d5 }1 o$ D1 c1 Vos.tvboxnow.comthe number of badminton club member which is not computer club member is 2 times de member of computer club.
6 p- {4 O' G- n: M公仔箱論壇how many ppl in de clas join badminton club???

genzo2106

28 students are badminton club members only.
- {/ q/ K: m) r2 e9 Jos.tvboxnow.com
" b9 c. n$ p0 {* x& {1 S  W2 students are in computer club only.os.tvboxnow.com: |* }+ J+ H6 Q2 X

' o0 m' }8 A/ H  @" ~+ m12 students are in both badminton and computer club.tvb now,tvbnow,bttvb4 u, l7 ~& }0 G5 R+ O- _

8 e" h! L% }" Y* Q. Q/ Htvb now,tvbnow,bttvbtherefore 28+2+12+6=48

00360353

har ???
: b6 ~) V3 Z- h# E8 X2 m3 y$ btvb now,tvbnow,bttvb48/4=12 ppl ...
$ X$ d* D+ q0 ], R7 N  X公仔箱論壇badmintion 2x = computer 1x2 ]0 @5 S. l2 d2 V: q6 P
then 12/3 x=4ppl
5 X$ |2 ]& A" a; F( ^, bos.tvboxnow.combadmintion 8 ppl ... computer 4 ppl

dick007

28 students