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.
4 B# \; x# v# K% x/ i6 O, a6 ppl din join any club5 u4 }* E. A* Y; c$ Z
1/4 of the student in de clas join badminton club n computer club.
$ P( u" B) `; y9 }公仔箱論壇the number of badminton club member which is not computer club member is 2 times de member of computer club.
! e( Y6 {0 _' bhow 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.
2 Z9 i  L% ~$ H9 n7 F+ v& O" @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。公仔箱論壇% ], {) B/ Z. ~8 a8 }5 b/ {
2 students are in computer club 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。, Y% o8 \- _4 U2 v( @6 d
5.39.217.770 ~3 W# G% r; E  Y5 p& V
12 students are in both badminton and computer club.
1 o- t4 x5 P! N5 j4 s5.39.217.77
8 G8 w5 m; J& p! r2 I8 }公仔箱論壇therefore 28+2+12+6=48

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

har ???
8 ]% j, d4 X% T$ ~. w$ S/ ]) t( W5 k公仔箱論壇48/4=12 ppl ...公仔箱論壇( h* o/ t3 E4 ~* m# N. C$ w6 K3 [! p9 |
badmintion 2x = computer 1x
& e- Q5 v0 E4 ~* c9 ~  fthen 12/3 x=4ppl公仔箱論壇$ S# Y; @- M; `7 _, E
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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