28 students are badminton club members only.
9 j+ e$ h0 }+ I, e# XTVBNOW 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。公仔箱論壇, @& K0 W0 t3 M* y9 b( ?5 W) Z: U
2 students are in computer club only.
0 m4 \, \+ Z/ @* s, ?& ztvb now,tvbnow,bttvb" C% B8 i3 n! t8 B( h7 w( ]
12 students are in both badminton and computer club.5 `7 W9 Q1 `7 v
7 a8 \- H$ L9 I$ X" [% Btvb now,tvbnow,bttvbtherefore 28+2+12+6=48 |