Jawabanmu

2014-05-15T16:55:57+07:00
A.{AG1,AG3,AG5,GA1,GA3,GA5}
b. {AG1,AG2,AG3,AG4,AG5,AG6,GA1,GA2,GA3,GA4,GA5,GA6,AA2,AA4,AA6,GG2,GG4,GG6}