a class total gt 48 ppl.公仔箱論壇" x& M/ Y8 ^7 I: \1 a/ {& e
6 ppl din join any club
y& t$ g [" p6 i& C5 V0 ntvb now,tvbnow,bttvb1/4 of the student in de clas join badminton club n computer club.
( ~8 n% A1 Y& b4 L2 L" Ztvb now,tvbnow,bttvbthe number of badminton club member which is not computer club member is 2 times de member of computer club.
& ~2 e) p" B! D: G4 c5 otvb now,tvbnow,bttvbhow many ppl in de clas join badminton club??? |