a class total gt 48 ppl.6 u. V" f0 b; Z! v* b+ J) X. l
6 ppl din join any club * E+ L" ^6 ^. J4 g* p4 o t! i1/4 of the student in de clas join badminton club n computer club. 2 a' U, u# p6 g Atvb now,tvbnow,bttvbthe number of badminton club member which is not computer club member is 2 times de member of computer club. 7 }: T- h2 ]1 f) c0 E公仔箱論壇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. 4 ?" Y( @. Q8 g公仔箱論壇& G+ G. M, R/ E0 x
2 students are in computer club only.5.39.217.77:8898, u) p# X. z% M$ [2 d9 Y
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12 students are in both badminton and computer club. + P6 Q5 w+ D: j8 p0 X+ f' V公仔箱論壇, Z3 @: U/ A+ O; u
therefore 28+2+12+6=48作者: 00360353 時間: 2007-9-12 06:59 PM
har ??? ' {; h* Z- U. V1 m1 P% j- Y" r _48/4=12 ppl ... % a) s) W- r- S$ g% D1 ^/ W" M m5.39.217.77:8898badmintion 2x = computer 1xtvb now,tvbnow,bttvb& W) k, x& e- h
then 12/3 x=4ppl 2 [0 N: i+ A# [( }# ~0 d, g" _公仔箱論壇badmintion 8 ppl ... computer 4 ppl作者: dick007 時間: 2007-9-13 03:44 PM
