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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.
2 r3 s- x$ P$ O% i( Ltvb now,tvbnow,bttvb6 ppl din join any club
+ o0 \1 N. C; ~& n' M5.39.217.761/4 of the student in de clas join badminton club n computer club.
6 G: `. n% {8 R! ]4 r2 {  B- U; qtvb now,tvbnow,bttvbthe number of badminton club member which is not computer club member is 2 times de member of computer club.
: c- s# g! d1 R( p$ e, Y1 }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.tvb now,tvbnow,bttvb0 W# x! g+ c9 _

; f. `# [- O9 ^6 d' w% Z+ 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 students are in computer club only.
- S+ S0 V% k6 b( jtvb now,tvbnow,bttvb
- r" O: O) y8 e公仔箱論壇12 students are in both badminton and computer club.
4 p, V" E, Z5 u% T. l" Y+ e
( q) O* p4 j$ M0 i. ~tvb now,tvbnow,bttvbtherefore 28+2+12+6=48
作者: 00360353    時間: 2007-9-12 06:59 PM

har ???
2 _2 |( t- y2 p5 C7 A48/4=12 ppl ...
6 B/ I  \. P- Q' bTVBNOW 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 1x5.39.217.76  k: x4 N; U3 d- Q( B# o
then 12/3 x=4ppl5.39.217.76& V) i% r# ~% y- D
badmintion 8 ppl ... computer 4 ppl
作者: dick007    時間: 2007-9-13 03:44 PM

28 students




歡迎光臨 公仔箱論壇 (http://5.39.217.76/) Powered by Discuz! 7.0.0