What should come in place of the question mark(?) in this question?

5² X 255 ÷  5 - 1116 = ?

What should come in place of the question mark(?) in this question?

5² X 25³  X 625 = (5)?

What should come in place of the question mark(?) in this question?

56.73 + 32.88 + 45.23 = ?

What should come in place of the question mark(?) in this question?

(450 ÷ 30)² - (120² = (?)²

What should come in place of the question mark(?) in this question?

3 1/4 + 2 1/2 + 6 1/6 = ?

What should come in place of the question mark(?) in this question?

5554 - 333 + 45 = ? + 2525