28 students are badminton club members only.5.39.217.76/ e$ f8 _ f/ }6 Q1 b" U/ L
公仔箱論壇" ^ c2 C2 b+ {8 A$ `" V% V+ K5 X: y
2 students are in computer club only.
) s5 X. o4 R' t/ i! ], N5.39.217.76
, Z; s) w( m8 itvb now,tvbnow,bttvb12 students are in both badminton and computer club.tvb now,tvbnow,bttvb0 j, |# O3 [. `7 X1 q( u, g: D' |
公仔箱論壇0 d" A/ M7 }6 h8 e; |. p
therefore 28+2+12+6=48 |