a class total gt 48 ppl.公仔箱論壇' a5 v, h1 h# k: K8 ~5 S
6 ppl din join any clubtvb now,tvbnow,bttvb6 k! }/ r. s, H1 [! @9 a* f
1/4 of the student in de clas join badminton club n computer club. $ w- z C: I* i b- Jtvb now,tvbnow,bttvbthe number of badminton club member which is not computer club member is 2 times de member of computer club.9 q+ v& B8 j( q( \9 A
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.5.39.217.77:8898- L7 C1 S( R. C: i. H8 E
1 t$ {5 z, x' u1 Q% w _2 Y公仔箱論壇2 students are in computer club only. 7 e0 j8 L- f5 V" A7 Q 5 `- }1 }2 }! L, F! X+ B D! sTVBNOW 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。12 students are in both badminton and computer club. ) R( C, I" H6 O) _' m3 b; G/ h% Mtvb now,tvbnow,bttvb / N: _2 w1 k* f9 g l5.39.217.77:8898therefore 28+2+12+6=48作者: 00360353 時間: 2007-9-12 06:59 PM