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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.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

har ???2 {' x( D0 `( t* }
48/4=12 ppl ...
! Z' S# U1 @. e4 C: r$ h: x4 ubadmintion 2x = computer 1x公仔箱論壇" l. ~$ v$ X6 Z! o. j  _" B
then 12/3 x=4ppl% a: L3 o4 f" s/ r: X' z( _
badmintion 8 ppl ... computer 4 ppl
作者: dick007    時間: 2007-9-13 03:44 PM

28 students




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