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標題: 数学题(英文) [打印本頁]

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$ U1 J" J* [! v9 n
6 ppl din join any club
# x! g, ]  w! r  l- g/ k1/4 of the student in de clas join badminton club n computer club.
2 p: Z4 w' L; S/ u* m; i5.39.217.76the number of badminton club member which is not computer club member is 2 times de member of computer club.
  V. g) x: f" G# Vhow many ppl in de clas join badminton club???
作者: genzo2106    時間: 2007-9-12 01:49 PM

28 students are badminton club members only.: t4 N. g" x( R4 x
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。3 K! i8 b1 S/ l, K$ h
2 students are in computer club only./ y  a7 F0 M8 J7 @. E
* k6 b% K/ F! O) {6 {7 ]
12 students are in both badminton and computer club.
2 n7 h* N; O8 M" A, k; g0 l8 u8 ^, i% q5 G( y' Z
therefore 28+2+12+6=48
作者: 00360353    時間: 2007-9-12 06:59 PM

har ???
* A4 u) n/ d2 oTVBNOW 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。48/4=12 ppl ...
& `3 i6 B) I7 ~* z; J* _( otvb now,tvbnow,bttvbbadmintion 2x = computer 1x% [. w+ s. ^! v& p
then 12/3 x=4ppl公仔箱論壇) G7 `8 W5 x) X: \
badmintion 8 ppl ... computer 4 ppl
作者: dick007    時間: 2007-9-13 03:44 PM

28 students




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