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뺄셈 2자리 - 1자리

		2	8
			1
		2	7

		5	2
			9
		4	3

		4	5
			5
		4	0

		8	5
			4
		8	1

		7	0
			2
		6	8

		2	5
			6
		1	9

		2	5
			2
		2	3

		9	0
			1
		8	9

		6	6
			4
		6	2

		7	1
			2
		6	9

		6	6
			4
		6	2

		4	1
			9
		3	2

		5	3
			2
		5	1

		6	0
			6
		5	4

		1	7
			9
			8