Jawabanmu

2014-08-07T20:25:52+07:00
√18 + √320 
= √6.3 + √8.4.10
= √2.3.3 + √2.2.2.2.2.2.5
= 3√2 + 6√5
2014-08-07T20:35:56+07:00
√18 +√320 = √9x2+√16x 20
= 3√2+4√20=3√2+ 4 x 2√5=3√2+8√5 =10√2+√5