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뺄셈 2자리 - 1자리

		2	8
			3
		2	5

		2	4
			1
		2	3

		6	3
			1
		6	2

		2	7
			6
		2	1

		3	1
			2
		2	9

		6	0
			2
		5	8

		1	5
			5
		1	0

		3	7
			1
		3	6

		1	5
			1
		1	4

		1	4
			3
		1	1

		5	1
			4
		4	7

		4	6
			4
		4	2

		6	1
			1
		6	0

		2	3
			3
		2	0

		4	2
			2
		4	0