Jawabanmu

2014-08-31T19:20:39+07:00
2-4√7 / √5+2 × √5-2 / √5-2 = 2√5-4-4√35+8√7 / 5-2√5+2√5-4= 2√5+8√7-4√35-4 / 1 = 2√5+8√7-4√35-4