mohon dijawab ya thanks

1. (3^4)3/4 = 3^3 = 27 (b)
2. √12 = √4.3 = 2√3 (c)
3. 16/3-√5 . 3+√5/3+√5 = 48+16√5/4 = 12+4√5 (a)
4. 15 (c)
5.
6. 1/12+1/6 = 1+2/12 = 3/12 = 12/3 = 4hari(b)