28 students are badminton club members only.
! D N0 o* @ }& j. n) A2 M/ X
. M" Y% i! @' cTVBNOW 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。2 students are in computer club only.tvb now,tvbnow,bttvb) q1 p+ s! H, X; k% G
* A. K+ k- Z- z- R12 students are in both badminton and computer club.
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therefore 28+2+12+6=48 |