Here's my truth table:

http://img372.imageshack.us/my.php?image=xilinx1b1jv6.jpg

Here's the algebra

http://img372.imageshack.us/my.php?image=xilinx1b2kf3.jpg

(please check work, need help on bolded)

F3 stays put.
F2 stays put.
F1 is A2A0?
F0 is ???

G3 stays put
G2 is ???
G1 is ???
G0 stays put

 

No one can help me simplify those ones?