28 students are badminton club members only.
; u$ v: {, S$ k8 n/ \; F7 l公仔箱論壇公仔箱論壇1 ]% g! W& j2 {6 Z6 g5 j( u! Q+ |
2 students are in computer club only.% J( ^" U: ^% s4 z
, [3 G# }" X3 k0 [: \5.39.217.77:889812 students are in both badminton and computer club.
1 \/ P; R2 f- @3 mtvb now,tvbnow,bttvb0 ~' [+ T. I# m! l0 Z: R5 U/ O
therefore 28+2+12+6=48 |