数学题(英文)

a class total gt 48 ppl.公仔箱論壇# e6 v+ H9 _5 F# Y5 h9 j
6 ppl din join any club
1/4 of the student in de clas join badminton club n computer club.+ H+ a! ~2 h% c5 E
the number of badminton club member which is not computer club member is 2 times de member of computer club.* A: D% d% w* w% d
how many ppl in de clas join badminton club???

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genzo2106

中級忍者

Rank: 3 Rank: 3

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發表於 2007-9-12 01:49 PM | 只看該作者

28 students are badminton club members only.; x1 B- A2 o6 P7 K% {9 m& ^# d0 S
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。- f/ G/ ~5 V, P
2 students are in computer club only.
tvb now,tvbnow,bttvb! x% H8 E% h5 j8 y/ J% x
12 students are in both badminton and computer club.
6 A. h1 e' Y8 A; Y9 I
therefore 28+2+12+6=48

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00360353

親王

Rank: 17

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發表於 2007-9-12 06:59 PM | 只看該作者

har ???5.39.217.77. K. U V5 D8 \% X' t/ n
48/4=12 ppl ...
badmintion 2x = computer 1x5.39.217.77% i( R5 b% l& u$ w/ X* a
then 12/3 x=4ppl' ~: @) G$ j4 s. Z
badmintion 8 ppl ... computer 4 ppl

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dick007

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發表於 2007-9-13 03:44 PM | 只看該作者

28 students

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