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뺄셈 2자리 - 1자리

		2	8
			2
		2	6

		1	0
			8
			2

		3	0
			1
		2	9

		6	0
			8
		5	2

		1	2
			1
		1	1

		6	6
			5
		6	1

		8	8
			5
		8	3

		5	5
			2
		5	3

		3	0
			3
		2	7

		5	9
			9
		5	0

		3	9
			5
		3	4

		5	7
			3
		5	4

		1	2
			5
			7

		2	6
			9
		1	7

		1	1
			6
			5