a class total gt 48 ppl.0 D" T: p/ y5 q; ?. e6 a0 _
6 ppl din join any clubtvb now,tvbnow,bttvb, E' n$ X- m; O
1/4 of the student in de clas join badminton club n computer club.tvb now,tvbnow,bttvb; _3 P) P' Z! d7 d2 @
the number of badminton club member which is not computer club member is 2 times de member of computer club. + H. h' ^3 ?9 w% chow 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.5.39.217.77" W" }; Q: o" f' G: X0 |
公仔箱論壇1 A% C; D, q. H q* m* z9 P3 f
2 students are in computer club only. / w3 Z6 q' _) F% Q4 \$ k( R公仔箱論壇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。( d9 W# Z1 K" \+ l
12 students are in both badminton and computer club. ; Y J- z8 B+ P7 c" ctvb now,tvbnow,bttvb 7 C' S! a, E3 ?0 F" M$ b5.39.217.77therefore 28+2+12+6=48作者: 00360353 時間: 2007-9-12 06:59 PM
har ???tvb now,tvbnow,bttvb+ n8 _2 ~5 r9 k* G" u1 ]2 U
48/4=12 ppl ...公仔箱論壇; K, ~# L5 D. {( l
badmintion 2x = computer 1xTVBNOW 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。+ _5 P8 B0 w& Z
then 12/3 x=4ppl 0 ~0 A7 \9 @: k7 htvb now,tvbnow,bttvbbadmintion 8 ppl ... computer 4 ppl作者: dick007 時間: 2007-9-13 03:44 PM
