28 students are badminton club members only.
7 c2 g6 c. X1 O( B7 Q" {5.39.217.77:88985.39.217.77:8898$ Y! F! ^1 m- Y' e# }1 q. h
2 students are in computer club only.
4 E# y' r! p9 C; ]9 f5 b% x" C2 v; b* i& z9 U. n6 \( H+ G) H
12 students are in both badminton and computer club.
0 [$ g+ h; ?$ x1 k8 J1 |2 c8 v' v公仔箱論壇
! b3 ^& K2 y. {+ W: b公仔箱論壇therefore 28+2+12+6=48 |
發表於 2007-9-12 01:49 PM
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