a class total gt 48 ppl. 2 A! s i& R' Y9 N+ E6 ppl din join any club5.39.217.766 g" B* M% J! O' `- H( K
1/4 of the student in de clas join badminton club n computer club.* |: E) [# p' `# F8 q9 b
the number of badminton club member which is not computer club member is 2 times de member of computer club. - d/ f: u7 w. e( Z% X: j5.39.217.76how many ppl in de clas join badminton club???
28 students are badminton club members only.* w+ |( X. u* R) d. g3 W
5.39.217.76' w/ U/ [2 P* l/ n r4 N
2 students are in computer club only. , |# H/ W5 S: z公仔箱論壇 " G0 C. R8 g0 B. G N5.39.217.7612 students are in both badminton and computer club. 1 D! {6 m- i6 N, W) @tvb now,tvbnow,bttvb" r3 M( R2 L8 p7 ?( q% d8 m
therefore 28+2+12+6=48
發表於 2007-9-11 08:17 PM
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