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뺄셈 2자리 - 1자리

		3	3
			9
		2	4

		6	2
			2
		6	0

		6	1
			1
		6	0

		2	9
			7
		2	2

		2	6
			7
		1	9

		3	5
			6
		2	9

		2	1
			3
		1	8

		4	5
			5
		4	0

		1	3
			7
			6

		2	1
			9
		1	2

		4	7
			6
		4	1

		4	4
			4
		4	0

		5	1
			5
		4	6

		6	0
			4
		5	6

		9	6
			3
		9	3