28 students are badminton club members only.
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& K5 d/ k F2 r- T5 g$ J1 r# _2 students are in computer club only.
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$ x. F2 B4 C% Y; p0 u2 O- Wtvb now,tvbnow,bttvb12 students are in both badminton and computer club.
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- r/ X0 D; i2 s k" ftvb now,tvbnow,bttvbtherefore 28+2+12+6=48 |