a class total gt 48 ppl.5.39.217.775 I) w$ \& r# i8 `9 b3 n9 u" U
6 ppl din join any club
2 J. `0 Q- v& R5.39.217.771/4 of the student in de clas join badminton club n computer club.公仔箱論壇+ L2 s& z8 f! w, i' X& ]/ y7 q
the number of badminton club member which is not computer club member is 2 times de member of computer club.
" h4 g" `! C9 \- e7 n0 d+ s% w5.39.217.77how many ppl in de clas join badminton club??? |