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뺄셈 2자리 - 1자리

		2	3
			2
		2	1

		1	2
			6
			6

		3	2
			2
		3	0

		2	5
			5
		2	0

		6	2
			3
		5	9

		2	3
			9
		1	4

		6	0
			4
		5	6

		6	4
			3
		6	1

		2	2
			1
		2	1

		5	4
			9
		4	5

		6	4
			8
		5	6

		6	3
			2
		6	1

		3	9
			5
		3	4

		3	7
			5
		3	2

		6	3
			6
		5	7