tolong dong kak nomer 6 & 7 pake caranya ya

jawab

6)
√54 - √24 =
= √9 . √6 - √4. √6 
= 3√6 - 2√√6
= (3-2) √6
= √6

7)

(((27)^1/2)^2/3)
= (27^(1/3)
= (3^3)^(1/3)
= 3

ini jawaban no. 6
7. (27^1/2)^2/3
= 27^1/3
= (3^3)^1/3
= 3




semoga membantu