a class total gt 48 ppl.公仔箱論壇& }% L3 P9 ~5 M- X* B
6 ppl din join any club , ]/ h7 D, g2 H公仔箱論壇1/4 of the student in de clas join badminton club n computer club. * I4 [& U, M0 t" s# U9 l) {7 h/ Othe number of badminton club member which is not computer club member is 2 times de member of computer club. 6 r0 g7 i. m. p# ]! L# ~4 o* d( Mhow 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,bttvb6 B. k1 b/ @1 H4 I$ |& W
6 f2 d2 ?8 Y1 l5 @+ n8 E- utvb now,tvbnow,bttvb2 students are in computer club only.公仔箱論壇, F# I/ R5 k9 ^8 j
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。9 z; _0 S- w# f: r# U5 ^8 I& j
12 students are in both badminton and computer club. , I; Q6 Q3 u# K3 E. G. _0 H公仔箱論壇. F! L2 C: h+ G0 \# [" J8 ?6 P
therefore 28+2+12+6=48作者: 00360353 時間: 2007-9-12 06:59 PM
har ??? , X% t$ [/ U; q# U48/4=12 ppl ...9 I3 \. K5 Y% P
badmintion 2x = computer 1x公仔箱論壇" d$ z( n- l7 X! E* T$ I
then 12/3 x=4ppl : u( Y h- U, l& h3 u8 w1 j" y公仔箱論壇badmintion 8 ppl ... computer 4 ppl作者: dick007 時間: 2007-9-13 03:44 PM
