28 students are badminton club members only.. T" s; W9 i e8 c
$ A8 u- {4 \4 S/ m" Rtvb now,tvbnow,bttvb2 students are in computer club only.
/ d. M" I/ D3 o! P7 m: {4 sTVBNOW 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。5.39.217.76) P1 _+ j9 V a
12 students are in both badminton and computer club.3 }+ ]+ T* M) ~# _
. S. t% `4 Y0 ]therefore 28+2+12+6=48 |