28 students are badminton club members only.公仔箱論壇 V, l% G6 V0 \* M# `
; Z7 ?$ j( B* h4 ?2 s5.39.217.762 students are in computer club only.
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12 students are in both badminton and computer club.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。/ w4 i+ Q% u2 v1 K. E' L
2 c, \3 G. E+ d5 f) F
therefore 28+2+12+6=48 |