genzo2106

28 students are badminton club members only.tvb now,tvbnow,bttvb: ?) z+ J7 M1 _- V/ x! p# H
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2 students are in computer club only.5.39.217.76, q, {( m, B! n9 k& \

3 v, z0 b0 v$ O( `) L12 students are in both badminton and computer club.公仔箱論壇# n* @2 [3 z# I5 ]# ~8 E
: [# \2 T4 \1 D/ P4 R* {
therefore 28+2+12+6=48