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標題: 数学题(英文) [打印本頁]

作者: nelston    時間: 2007-9-11 08:17 PM     標題: 数学题(英文)

a class total gt 48 ppl.
+ D0 m1 _+ r  Z3 u$ z7 L% mtvb now,tvbnow,bttvb6 ppl din join any club0 W* r* x  {+ L" w" B# Y
1/4 of the student in de clas join badminton club n computer club.
2 v. p/ z7 a  Z: z0 h( T7 y# m( _) \0 V5.39.217.76the number of badminton club member which is not computer club member is 2 times de member of computer club.
- n7 {3 Y7 P( s* N公仔箱論壇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.
8 k* F+ j$ W& o2 I# M9 A/ ~tvb now,tvbnow,bttvb
. l9 D9 a. g. Z3 I0 g公仔箱論壇2 students are in computer club only.公仔箱論壇7 H/ y; V3 O6 k

+ x; p6 t9 |* j* S( f* ]5 v& p2 p12 students are in both badminton and computer club.
3 C; Z* H( K! \* 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。
- l# T' {" Q& y& O# otherefore 28+2+12+6=48
作者: 00360353    時間: 2007-9-12 06:59 PM

har ???7 Y( U+ C! s2 O. ]) n7 a+ F$ B
48/4=12 ppl ...
# d; N2 }  s6 r" vbadmintion 2x = computer 1x
! g4 Z% G; ]2 C0 l, r3 R5.39.217.76then 12/3 x=4ppl5.39.217.760 g7 g; y$ \9 z1 F
badmintion 8 ppl ... computer 4 ppl
作者: dick007    時間: 2007-9-13 03:44 PM

28 students




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