Jawabanmu

2014-08-24T11:46:07+07:00
1 . Q = ( 0 , 0 )
R = ( 0 , 4 )
S = ( 0 , 6 )

2. Q = ( 0 , 0 )
R = ( 0 , a )
S = ( 0 , b )
1 1 1