a class total gt 48 ppl.3 _7 z- D2 L0 P, u3 w: f
6 ppl din join any clubtvb now,tvbnow,bttvb' j2 j( Y% v1 Q- Z
1/4 of the student in de clas join badminton club n computer club. 6 ], J# ^5 Y( G' S4 C9 @! wthe number of badminton club member which is not computer club member is 2 times de member of computer club.TVBNOW 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。* R1 F4 |) p# C. H9 D. D
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. 7 }/ K* Y' a) [# ^1 Z' W! F5 L u/ p5 _$ E% s, k
2 students are in computer club only. ) G" p' [2 D. J# b7 utvb now,tvbnow,bttvb ) I2 `7 ?8 \; n$ m5 |2 u. }12 students are in both badminton and computer club.公仔箱論壇* \! U: O$ E1 g6 p4 d
TVBNOW 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。 v) {& k5 j, ?) U
therefore 28+2+12+6=48作者: 00360353 時間: 2007-9-12 06:59 PM