28 students are badminton club members only.) o9 z% V) \0 l! \* z/ M0 {- V: N
TVBNOW 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。! ]) G/ {5 Q3 L
2 students are in computer club only.
: W$ X5 n1 G0 x* D/ K4 o. _3 d6 Mtvb now,tvbnow,bttvb6 p4 F+ y9 c# z/ I* v" z
12 students are in both badminton and computer club.. V n; X/ f% ^: s, d
公仔箱論壇- _1 q4 X, |7 N% @+ Z
therefore 28+2+12+6=48 |