please help!

use the order of operations to solve each problem.

1.) 2×3[7+(6÷2)]

2.) 3[-3(2-8)-6]

3.) 3×3[2-(9÷3)]

4.) 2[-5(4-12)-3]

5.) [(3×3)-(30÷6)]+(-27)-13

6.) 2÷[(4÷2)+(32÷8)]