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.
, \+ J6 K  O! n; H8 v公仔箱論壇6 ppl din join any clubtvb now,tvbnow,bttvb; I- J8 E) Y4 h6 S$ e, {, q
1/4 of the student in de clas join badminton club n computer club.
& B! A, G9 {( V5.39.217.77the number of badminton club member which is not computer club member is 2 times de member of computer club.
2 ]+ K$ k2 d* I0 Y( rTVBNOW 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。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) z( }( G6 b) l( i3 f/ o
" d' l- @2 {( I6 D3 s9 m  O
2 students are in computer club only.
; n9 d$ I3 P: e5.39.217.77
6 a2 _" G& t$ g  z& y12 students are in both badminton and computer club.公仔箱論壇* b# L' H2 T& _1 P/ H/ y

( ]" B$ H! y* i8 _# i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 ???
, X% J" ]7 R6 w" W* e48/4=12 ppl ...
6 X' G2 w6 u/ h( Z* O- `badmintion 2x = computer 1x
# `  M% S4 k+ `* u( U公仔箱論壇then 12/3 x=4ppl8 }6 Q# J1 R5 j6 R
badmintion 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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