1.	6 + 2 × 7 - 4 = _________
		A.	16	B.	24
		C.	12	D.	52
		Hint
	2.	Find the value of 3(4 - 2) + 8 ×  2.
		A.	36	B.	22
		C.	26	D.	28
		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.	subtraction	B.	multiplication
		C.	division	D.	addition
		Hint
	5.	What is the value of 6[(7 + 4) - 2(5 - 3)]?
		A.	88	B.	42
		C.	48	D.	72
		Hint