28 students are badminton club members only.0 |- z, a. I- c( G) e
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2 students are in computer club only.
. y3 K, Y9 A8 E! R# { Ttvb now,tvbnow,bttvb- ~0 M; ^4 n: d" r, i
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。 K& d& q0 p5 C: I
tvb now,tvbnow,bttvb4 } I" M0 g# i+ w* M8 x1 q
therefore 28+2+12+6=48 |