Jawabanmu

2014-01-21T20:05:34+07:00
A.{ 2,3 } , { 2,7} { 2,5} {2,11} { 3,7} { 5,11} {3,11} {7,5} { 3,5 } {7,11}
b.{ 2,3,5} {2,3,7} {2,3,11} {3,5,11] { 2,7,11}{ 2,5,7}
c.[ 2,3,5,7} { 2,3,5,11} { 3,5,7,11} { 2,3,7,11}
maaf kalo salah
a.{ 2,3 } , { 2,7} { 2,5} {2,11} { 3,7} { 5,11} {3,11} {7,5} { 3,5 } {7,11}
b.{ 2,3,5} {2,3,7} {2,3,11} {3,5,11] { 2,7,11}{ 2,5,7}
c.[ 2,3,5,7} { 2,3,5,11} { 3,5,7,11} { 2,3,7,11}
2014-01-21T20:37:11+07:00
A. 5!/3!.2!=10
b. 5!/2!.3!= 60/6= 10
c 5!/1!.4!= 5