a class total gt 48 ppl. # K: z- p: l1 p5.39.217.776 ppl din join any club 1 p; H( w/ r; q. x' M8 f/ D9 x5 y5.39.217.771/4 of the student in de clas join badminton club n computer club.; S* T7 n I5 r
the number of badminton club member which is not computer club member is 2 times de member of computer club.7 K) H* n- Z/ r( j
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,bttvb) {- R, c6 ^( q9 r* s+ W
tvb now,tvbnow,bttvb" `5 i) X5 j6 b4 e
2 students are in computer club only.4 a1 F2 E' T5 R4 B5 F8 q
9 ?0 A- s; n8 G/ u& p6 S" r3 T8 q
12 students are in both badminton and computer club. 1 Z. |( D* h+ W, W# B# @( Z 1 b8 u6 y( E; ^( }公仔箱論壇therefore 28+2+12+6=48作者: 00360353 時間: 2007-9-12 06:59 PM
har ???5.39.217.77: k* \& F7 `3 b4 m6 d( z/ V
48/4=12 ppl ... + F) n4 L4 A% a) ~+ @badmintion 2x = computer 1x公仔箱論壇7 B" [; ^ f7 f. P; V! f0 ]
then 12/3 x=4ppl / n4 F1 `$ u) n9 c1 a6 E5 tTVBNOW 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 8 ppl ... computer 4 ppl作者: dick007 時間: 2007-9-13 03:44 PM
