a class total gt 48 ppl.
( {! c+ K/ y, S& P* J f s# X公仔箱論壇6 ppl din join any club+ d0 I7 h" D8 s" N" [& Y+ M# j* m) z
1/4 of the student in de clas join badminton club n computer club.5.39.217.760 z1 R% h1 u/ k" O/ W1 [
the number of badminton club member which is not computer club member is 2 times de member of computer club.% z: L( j, w( ?6 e5 Q
how many ppl in de clas join badminton club??? |