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Correct Answers:

	1.	8 + 7 = 9 + 6
		yes no

	2.	10 + 6 = 11 + 5
		yes no

	3.	16 + 3 = 15 + 5
		yes no

	4.	11 + 8 = 14 + 6
		yes no

	5.	3 + 14 = 8 + 9
		yes no

	6.	20 − 4 = 19 − 3
		yes no

	7.	18 − 4 = 19 − 5
		yes no

	8.	12 − 6 = 11 − 4
		yes no

	9.	17 − 9 = 12 − 4
		yes no

	10.	15 − 8 = 10 − 3
		yes no