a class total gt 48 ppl. 2 j" V+ {7 l- B9 {% v+ Atvb now,tvbnow,bttvb6 ppl din join any club2 }! k" v: g6 S" k' Y
1/4 of the student in de clas join badminton club n 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。: C& R/ N& M) B. t1 c4 g
the number of badminton club member which is not computer club member is 2 times de member of computer club.tvb now,tvbnow,bttvb) T, h2 ^) R$ w/ w6 ?- O4 A8 r
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,bttvb; N- ~. ~9 D! {/ S
9 P1 n) j/ f4 N2 L7 Mos.tvboxnow.com2 students are in computer club only.公仔箱論壇* P8 X' b# t! a3 x4 `
tvb now,tvbnow,bttvb, Y3 d4 f0 ]# ?8 ?+ m9 L+ w7 }
12 students are in both badminton and computer club.tvb now,tvbnow,bttvb& p; ?" r6 S* o% ^
tvb now,tvbnow,bttvb" T; a$ a. m- k% g5 p1 ?$ H% V
therefore 28+2+12+6=48作者: 00360353 時間: 2007-9-12 06:59 PM
