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.
* Y! |' m* P* c- {- U  o0 Ptvb now,tvbnow,bttvb6 ppl din join any club3 j% g! O1 P5 T- d9 T% A
1/4 of the student in de clas join badminton club n computer club.5.39.217.77) n) G# D% D8 G8 Q1 \+ h
the number of badminton club member which is not computer club member is 2 times de member of computer club.
) l# G$ L, w+ N7 G( D, \公仔箱論壇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.
( v+ ]5 A' I) A, \7 `( rtvb now,tvbnow,bttvbtvb now,tvbnow,bttvb: Z0 V2 w* {1 t6 @( V  }  d3 u7 Q1 }
2 students are in computer club only.
$ C4 j  \2 K; R8 n0 l1 [& n( Z公仔箱論壇- ?% ?# Y1 Y; N8 k7 s
12 students are in both badminton and computer club.
9 K3 N+ m& |  r* G' n公仔箱論壇( @2 O1 o" T' J. I# s/ d, {7 [
therefore 28+2+12+6=48

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

har ???
) O) W/ R) t5 ^3 j48/4=12 ppl ...
! l2 Q( c+ [" O0 ~0 U) n: p$ lTVBNOW 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。badmintion 2x = computer 1x
4 b& m! v3 V4 E0 e0 I5 @tvb now,tvbnow,bttvbthen 12/3 x=4pplTVBNOW 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。% v. ~8 T$ K) N* V% a' f/ L
badmintion 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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