Math F.1

1) not very clear if u mean (6y^4/2y)/3y^2 then answer = y
but of i mean 6y^4/(2y/3y^2) then answer = 9y^5


2) 2p^2-15p-20

1. ^=咩先(唔明)
2.2p(squar)-3p-12p-20
因2p(squar)打唔到,故你自己要改番

2006-11-09 23:39:45 補充：
sor,2p(squar)-15p-20