Which Operation Should Be Done First In Each Expression? Write +,-,X,Or ?In The Blanks Before Each N

Which operation should be done first in each expression? write +,-,×,or ÷ in the blanks before each number.

______1) 16 + 56 ÷ 7 - 11
______2) 13 × (12+4) ÷ 16
______3) 64 + (36 - 12) × 4
______4) 125 + 16 × 4 - 32 ÷ 8
______5) 4 × (30 - 12) + 6 × 7

 

1. 13

2. 156.25

3. 52

4. 185

5. 150