a class total gt 48 ppl.公仔箱論壇/ v8 C- Q) e0 u7 v; D/ f
6 ppl din join any club公仔箱論壇) `. U! w" C$ O( H/ Z f
1/4 of the student in de clas join badminton club n computer club. + h6 V7 y9 a$ ?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。the number of badminton club member which is not computer club member is 2 times de member of computer club.7 ?" f) D% `/ L% ^/ m8 @; v/ ^! w
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. 4 ]. n' p7 d; t& I( H3 a \ 7 E1 B0 Z6 M3 R9 A" h! [/ x2 students are in computer club only.' l( D+ |" {/ k; t" b
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。) r) \5 \; T j2 T8 a- R7 i
12 students are in both badminton and computer club. ( H) v" d4 p: n* J# h公仔箱論壇6 h5 L0 l y8 N; U
therefore 28+2+12+6=48作者: 00360353 時間: 2007-9-12 06:59 PM
har ???www2.tvboxnow.com/ B$ q. ~2 ?$ F+ q) ?0 l1 M8 e6 k0 r
48/4=12 ppl ... , f. `7 P) j: L% s( ~badmintion 2x = computer 1xwww2.tvboxnow.com: Q1 Z0 v9 \5 c/ E
then 12/3 x=4pplwww2.tvboxnow.com* [/ C0 l8 X6 E
badmintion 8 ppl ... computer 4 ppl作者: dick007 時間: 2007-9-13 03:44 PM