a class total gt 48 ppl.公仔箱論壇" s0 r$ v- l) k: Z# d
6 ppl din join any club. Q2 x( G+ ]& {7 D0 a* Z; b. s
1/4 of the student in de clas join badminton club n computer club.5.39.217.76* f1 G3 A: h) `3 w% ~ }
the number of badminton club member which is not computer club member is 2 times de member of computer club. + b; o5 H3 d' a$ K/ ahow 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.; `6 I7 i% V2 R" F) q- S; V/ x
5 b( S; G4 g) N, d3 V5.39.217.762 students are in computer club only. 8 p/ Q3 E$ v: T% r) ?+ Ztvb now,tvbnow,bttvb , ]% ` i3 U" X9 n0 @tvb now,tvbnow,bttvb12 students are in both badminton and computer club. 2 ?8 m8 j4 L6 d) g: Itvb now,tvbnow,bttvb+ E4 Z9 @1 C3 M3 O4 A
therefore 28+2+12+6=48作者: 00360353 時間: 2007-9-12 06:59 PM
har ??? + k* u5 x( k1 X, Z* ~1 [$ 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。48/4=12 ppl ... * h/ {# s: V7 d z5.39.217.76badmintion 2x = computer 1xtvb now,tvbnow,bttvb# c! `; z0 _, ^# W P* n. m
then 12/3 x=4pplTVBNOW 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。+ \; P& m8 X& r8 g+ Y
badmintion 8 ppl ... computer 4 ppl作者: dick007 時間: 2007-9-13 03:44 PM