a class total gt 48 ppl.公仔箱論壇$ U1 J" J* [! v9 n
6 ppl din join any club # x! g, ] w! r l- g/ k1/4 of the student in de clas join badminton club n computer club. 2 p: Z4 w' L; S/ u* m; i5.39.217.76the number of badminton club member which is not computer club member is 2 times de member of computer club. V. g) x: f" G# Vhow 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.: t4 N. g" x( R4 x
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。3 K! i8 b1 S/ l, K$ h
2 students are in computer club only./ y a7 F0 M8 J7 @. E
* k6 b% K/ F! O) {6 {7 ]
12 students are in both badminton and computer club. 2 n7 h* N; O8 M" A, k; g0 l8 u8 ^, i% q5 G( y' Z
therefore 28+2+12+6=48作者: 00360353 時間: 2007-9-12 06:59 PM