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.公仔箱論壇- l* _! R  B- i  f6 a4 \% e: ^
6 ppl din join any club
. k3 `% e8 g0 ~/ L7 \tvb now,tvbnow,bttvb1/4 of the student in de clas join badminton club n computer club.
/ }# V  \+ N3 Q  R# KTVBNOW 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。the number of badminton club member which is not computer club member is 2 times de member of computer club.tvb now,tvbnow,bttvb9 R& ]/ P& |$ f3 W5 N% L# G) O
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.5.39.217.77:8898- m0 [. F0 ~. N

9 e: \% F. j7 K& z5.39.217.77:88982 students are in computer club only.
. l2 V4 F1 G- W" z7 l7 f# Q5.39.217.77:8898; Q% N9 Y3 r: S3 Q& V3 L
12 students are in both badminton and computer club.5.39.217.77:8898. J: T" m) s! l+ }6 G
tvb now,tvbnow,bttvb3 B7 K4 c! D& y# \% d( H$ e0 K- H! M
therefore 28+2+12+6=48

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

har ???公仔箱論壇. j3 I1 o1 U6 \! k
48/4=12 ppl ...公仔箱論壇2 x; e7 e( M- h8 r
badmintion 2x = computer 1x
% ~" i: f! u* \/ s9 ^- B/ a+ etvb now,tvbnow,bttvbthen 12/3 x=4ppl
/ `0 A( }. Q' m4 _% ?8 Mbadmintion 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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