a class total gt 48 ppl. & {3 k# `. z$ V* E. r+ N* f wTVBNOW 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。6 ppl din join any club v1 [2 H# w( I* q. |! |1/4 of the student in de clas join badminton club n computer club.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。& M" m/ v0 K# s
the number of badminton club member which is not computer club member is 2 times de member of computer club.$ ]. g6 ]7 D2 |& ^. P9 Y
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. ; \- T7 n% i9 ztvb now,tvbnow,bttvb 4 t S8 T3 P8 b* Ltvb now,tvbnow,bttvb2 students are in computer club only. " [' K4 _2 O3 P, r. b+ u+ E8 a 4 q; p8 @7 t% Y# Z+ I公仔箱論壇12 students are in both badminton and computer club.2 q$ E4 |- w6 B8 Y4 g* H' b6 W
www3.tvboxnow.com% h4 H, w+ T3 Z! l- s$ f( {& T: @
therefore 28+2+12+6=48作者: 00360353 時間: 2007-9-12 06:59 PM
har ???tvb now,tvbnow,bttvb* Q4 J! N$ x: y5 B
48/4=12 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。0 O2 l6 C* R( G. ]
badmintion 2x = computer 1x; _! |, W$ W3 b! O E* B
then 12/3 x=4ppl / p/ N" k" _$ z Z v6 {7 ~tvb now,tvbnow,bttvbbadmintion 8 ppl ... computer 4 ppl作者: dick007 時間: 2007-9-13 03:44 PM