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.
- [. l+ F+ W2 Y2 m# W( o% eTVBNOW 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 ppl din join any club
) y6 x# _4 [. b' o5 s9 l. m/ W. h1/4 of the student in de clas join badminton club n computer club.公仔箱論壇+ @' e! J) a" M% s- Z% g( d( L
the number of badminton club member which is not computer club member is 2 times de member of computer club.
2 u/ C+ z: K2 F/ o" M! I* t' O3 F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.tvb now,tvbnow,bttvb  o; u, Z' b* d8 ]5 m- i/ `2 B
: i' z. g$ O; [( f# ]0 D3 X
2 students are in computer club only.公仔箱論壇$ R0 D2 |/ J' r! P5 U( M
www1.tvboxnow.com* z5 ^9 h+ X8 i% O
12 students are in both badminton and computer club.
9 r8 E: U7 B$ o' e# t) Y- r% D. y
/ s" t7 y$ Q, u, N1 \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 ???1 R; J4 F& X3 h
48/4=12 ppl ...
7 G+ S% y7 z; k2 g$ S! Q公仔箱論壇badmintion 2x = computer 1xwww1.tvboxnow.com+ R$ w- b& c& N1 e
then 12/3 x=4ppl
& O( d! R; ^! C! s; ^  F. Ebadmintion 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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