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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.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。+ C7 W7 n* R. |% Y5 m4 [
6 ppl din join any club公仔箱論壇( j3 I8 }  s, ~- E
1/4 of the student in de clas join badminton club n computer club.
. y  j. p" w: F: Ythe number of badminton club member which is not computer club member is 2 times de member of computer club.
2 D5 b- L# T$ U8 ~3 Qhow 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.
; T' N9 }9 G1 l. U7 |
, a; P. r! p% n  r5 x- Itvb now,tvbnow,bttvb2 students are in computer club only.公仔箱論壇: W! f' ?  @  y: ^9 o5 `

) A7 t: D4 [& C; s7 ?6 }7 s12 students are in both badminton and computer club.5.39.217.77& z1 j; S- F5 s# ]
公仔箱論壇7 |& [3 m- H7 u( f. _8 g/ S. m4 N
therefore 28+2+12+6=48
作者: 00360353    時間: 2007-9-12 06:59 PM

har ???
) G" i5 [- E. N2 e48/4=12 ppl .... K7 Z2 x# |( H
badmintion 2x = computer 1x
2 q# T& @6 q* D1 U: S5.39.217.77then 12/3 x=4ppl0 x5 }& |1 l+ u- t
badmintion 8 ppl ... computer 4 ppl
作者: dick007    時間: 2007-9-13 03:44 PM

28 students




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