Jawabanmu

2014-04-06T20:17:32+07:00
5√18 + 3√2   
= 5. √9.2 + 3√2
= 5.3√2 + 3√2
= 15√2 + 3√2
= 18 √2

4×√9.3 - 2×√4.3 = 4.3 √3 - 2.2√3 = 12√3 - 4√3 = 8√3
2014-04-06T20:18:29+07:00
5√9√2 + 3√2 = 5.3 √2 + 3 √2
                    = 15 √2 + 3√2
                    = 18√2
klw 4√27 - 2√12 =… ???
4√9√3 - 2√4√3
4.3√3 - 2.2√3
12√3-4√3
8√3
maaf baru dibalas=)