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뺄셈 2자리 - 1자리

		2	2
			2
		2	0

		3	2
			6
		2	6

		2	3
			7
		1	6

		1	7
			2
		1	5

		4	1
			4
		3	7

		1	1
			1
		1	0

		3	0
			5
		2	5

		6	4
			2
		6	2

		9	8
			4
		9	4

		2	4
			6
		1	8

		2	7
			1
		2	6

		3	9
			5
		3	4

		7	4
			4
		7	0

		1	3
			2
		1	1

		5	6
			1
		5	5