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뺄셈 2자리 - 1자리

		6	0
			7
		5	3

		3	3
			2
		3	1

		5	2
			9
		4	3

		4	6
			9
		3	7

		2	8
			5
		2	3

		3	9
			8
		3	1

		3	6
			5
		3	1

		5	4
			4
		5	0

		6	8
			2
		6	6

		8	4
			2
		8	2

		6	2
			1
		6	1

		6	9
			9
		6	0

		7	2
			3
		6	9

		7	3
			8
		6	5

		2	1
			3
		1	8