28 students are badminton club members only.
, J$ G; O9 W, q* I9 {1 zTVBNOW 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。
9 V+ a& |1 e- g( h) [9 utvb now,tvbnow,bttvb2 students are in computer club only.
/ E' Q, q) ~. w0 M# ?, _% L# x公仔箱論壇3 y c' A2 j# ^& X7 g3 O
12 students are in both badminton and computer club.
1 q' \$ T4 g) J0 A7 Y1 R$ w& `, B0 c; \+ |
therefore 28+2+12+6=48 |