28 students are badminton club members only.
7 p1 z% Y0 }; I. e- m A8 J) Q公仔箱論壇tvb now,tvbnow,bttvb5 l7 z1 Q9 F% M' \
2 students are in computer club only.tvb now,tvbnow,bttvb- \7 _5 T- k/ s2 j% X- w b
- r8 T; p* y0 L R! K1 \2 Y9 PTVBNOW 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。12 students are in both badminton and computer club.
* ^, j; C: @+ v, B$ t5.39.217.77:8898公仔箱論壇- q' [* }9 ]% k! F* T F
therefore 28+2+12+6=48 |