a class total gt 48 ppl. - l* j, ~# y( DTVBNOW 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 club9 n8 `4 N3 V; v$ j
1/4 of the student in de clas join badminton club n computer club. & F; ^! a1 @2 N, F: @& }- x* ithe number of badminton club member which is not computer club member is 2 times de member of computer club. . l. r( {: K7 o( u7 e' F7 ]8 _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.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。; C# J" G; K- o' s: I8 k) l
5.39.217.765 Y2 q1 {5 d5 V5 I: K
2 students are in computer club only. ) v2 ~; ]( u: ~& s4 b2 Xtvb now,tvbnow,bttvb$ o d E5 w, o* J! j1 @) `
12 students are in both badminton and computer club. 0 k8 e0 I( ^( c9 i( w5.39.217.76TVBNOW 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。+ J. y1 G/ P7 ?4 E0 \
therefore 28+2+12+6=48作者: 00360353 時間: 2007-9-12 06:59 PM
har ??? * W) J O" D/ a+ \( rtvb now,tvbnow,bttvb48/4=12 ppl ...tvb now,tvbnow,bttvb/ D2 W4 D7 V' }0 f
badmintion 2x = computer 1x5.39.217.76. F6 E1 g8 \* f1 M1 `$ g& f; y
then 12/3 x=4ppl , }/ S3 I+ {% D. G/ Ptvb now,tvbnow,bttvbbadmintion 8 ppl ... computer 4 ppl作者: dick007 時間: 2007-9-13 03:44 PM