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.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。$ B# W$ a$ |4 b, l
6 ppl din join any club  n3 a7 G+ M" m! v
1/4 of the student in de clas join badminton club n computer club.* R+ v' P5 k7 n8 T6 z
the number of badminton club member which is not computer club member is 2 times de member of computer club.
- `, t% d; b2 v* Stvb now,tvbnow,bttvbhow 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.+ _# a0 k! o( S0 i  G& K$ i

3 h% h3 A( G# e( S* g% V* r2 students are in computer club only.
, H7 t, \+ |7 P公仔箱論壇- X( r3 K' m% g1 L
12 students are in both badminton and computer club.
  `8 Y1 R& f' c! l9 Z5.39.217.77:8898
$ k6 L2 y. G. G$ H$ e  }5.39.217.77:8898therefore 28+2+12+6=48

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

har ???tvb now,tvbnow,bttvb9 v& M( c7 \# y3 [
48/4=12 ppl ...
6 B- x) U3 G4 M% t9 s7 _5.39.217.77:8898badmintion 2x = computer 1x
5 k4 b- ^6 R6 r9 z8 T5 [( H5.39.217.77:8898then 12/3 x=4ppl5.39.217.77:8898, W9 v8 ^8 X4 [# f8 }4 L' j
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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