a class total gt 48 ppl.5.39.217.77( x: e# m* `6 ]* a" }3 d% ^6 e
6 ppl din join any club公仔箱論壇6 v. F6 ^3 f# B U) ]! ?9 |6 ^" @
1/4 of the student in de clas join badminton club n computer club.2 }0 l2 {3 P6 z/ S3 ~
the number of badminton club member which is not computer club member is 2 times de member of computer club.5.39.217.772 z" [( P% M9 s
how many ppl in de clas join badminton club???作者: genzo2106 時間: 2007-9-12 01:49 PM
28 students are badminton club members only.tvb now,tvbnow,bttvb7 e: Q$ s& v! x: k4 I
8 A7 u7 t& c0 b
2 students are in computer club only. : W/ S! C" L- I7 q4 Z/ i9 H% Ntvb now,tvbnow,bttvb公仔箱論壇 j t$ m( L+ V" Z8 N, A
12 students are in both badminton and computer club. ' P/ [1 K" a: w3 m5 ?3 w, y1 ZTVBNOW 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。 $ i( w5 k8 Z' s! }therefore 28+2+12+6=48作者: 00360353 時間: 2007-9-12 06:59 PM