標題: 数学题(英文) [打印本頁]

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

a class total gt 48 ppl.
8 {4 T* j. U5 i) Y+ C( A公仔箱論壇6 ppl din join any club
: U7 E& C, ^8 B1 y/ S) x+ l; l公仔箱論壇1/4 of the student in de clas join badminton club n computer club.tvb now,tvbnow,bttvb9 o! ?5 d- J8 _* y
the number of badminton club member which is not computer club member is 2 times de member of computer club.6 e* K3 u: [8 G# f. B( H' Z
how many ppl in de clas join badminton club???

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作者: genzo2106    時間: 2007-9-12 01:49 PM

28 students are badminton club members only.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。6 Q3 B$ L, w$ q& H$ d$ \

. P1 D7 O# p. X; x1 Ywww2.tvboxnow.com2 students are in computer club only.tvb now,tvbnow,bttvb2 i2 j; A: ]% S7 x; n

, P/ q& R+ V5 ^0 T; Y& |' Itvb now,tvbnow,bttvb12 students are in both badminton and computer club.
3 h- J" `5 s/ S2 mtvb now,tvbnow,bttvbwww2.tvboxnow.com# {5 j+ `! Z0 ]' V. g4 e, W6 f
therefore 28+2+12+6=48

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作者: 00360353    時間: 2007-9-12 06:59 PM

har ???
* S, U& j! o" _8 t48/4=12 ppl ..., P- |$ L1 k( w8 x) G& x
badmintion 2x = computer 1x
" b* O4 p9 o3 b: J; f) Ctvb now,tvbnow,bttvbthen 12/3 x=4ppl
  R% x0 n* L4 A9 B$ btvb now,tvbnow,bttvbbadmintion 8 ppl ... computer 4 ppl

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作者: dick007    時間: 2007-9-13 03:44 PM

28 students

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