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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.5.39.217.77:88988 d' I! h2 l) L8 m
6 ppl din join any club5.39.217.77:8898# c9 A9 k& X  B% u- M9 U& Q; G+ M
1/4 of the student in de clas join badminton club n computer club.
$ y' B5 L; N/ G& XTVBNOW 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.* i* ?8 t9 F( I9 C- ^9 N. i
how 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.; C: N6 ?% ?1 q# S- Q  p4 O0 y
$ h0 @$ A! P0 I( ]: j
2 students are in computer club only.
: j& t  T! v3 F3 Q公仔箱論壇5.39.217.77:88983 ?' j  q3 h5 F- i( e/ Z8 D+ }
12 students are in both badminton and computer club.
. m& |$ j9 U+ v1 ?. 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。2 `1 @1 h+ A2 w" e/ l5 E: \
therefore 28+2+12+6=48
作者: 00360353    時間: 2007-9-12 06:59 PM

har ???5.39.217.77:8898$ k0 M1 c+ z6 k# x; `! s6 f
48/4=12 ppl ...
8 ?2 W3 B2 K1 |4 _8 `% hTVBNOW 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。badmintion 2x = computer 1x
. ^- h2 h! E& ^) W7 V! X2 a: g1 Ithen 12/3 x=4ppl0 F  ~6 e0 p5 C* W" A: i: G' x, o
badmintion 8 ppl ... computer 4 ppl
作者: dick007    時間: 2007-9-13 03:44 PM

28 students




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