1.	6 + 2 × 7 - 4 = _________
		A.	16	B.	24
		C.	52	D.	12
		Hint
	2.	Name the operation that should be performed first in the expression 9 + 5 × (6 - 1).
		A.	addition	B.	multiplication
		C.	division	D.	subtraction
		Hint
	3.	Insert parentheses to make the equation 9 + 6 × 2 ÷ 3 - 1 = 12 true.
		A.	9 + 6 × 2 ÷ (3 - 1) = 12
		B.	(9 + 6 × 2) ÷ 3 - 1 = 12
		C.	9 + (6 × 2) ÷ 3 - 1 = 12
		D.	(9 + 6) × 2 ÷ 3 - 1 = 12
		Hint
	4.	Which operation should be performed first in the expression 4 + 8 ÷ 2 × 3 - 10?
		A.	division	B.	addition
		C.	subtraction	D.	multiplication
		Hint
	5.	What is the value of 6[(7 + 4) - 2(5 - 3)]?
		A.	72	B.	48
		C.	88	D.	42
		Hint