a class total gt 48 ppl.% G. r( d: r# ^+ F
6 ppl din join any club公仔箱論壇! E. C% |7 C" ]9 k/ z6 M( s
1/4 of the student in de clas join badminton club n computer club.tvb now,tvbnow,bttvb# j8 D, w# r5 y g. f, s6 `
the number of badminton club member which is not computer club member is 2 times de member of computer club. h. h3 q/ A) j& s( W$ M, S# B: jtvb now,tvbnow,bttvbhow 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.公仔箱論壇% W/ X$ E& E. [+ @5 G' a; r. u
% v, D; R+ q$ U+ i) w5 j7 t
2 students are in computer club only.公仔箱論壇; Z1 G P- o z& R" ]6 V
tvb now,tvbnow,bttvb/ G! I$ q0 o8 I9 ]6 N1 D! y
12 students are in both badminton and computer club.www2.tvboxnow.com) b/ {7 z1 L ?$ |2 N" h" Q0 z
www2.tvboxnow.com! }% x% s* B3 G7 [# P+ M6 c! B
therefore 28+2+12+6=48作者: 00360353 時間: 2007-9-12 06:59 PM
