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뺄셈 2자리 - 1자리

		3	5
			4
		3	1

		2	7
			3
		2	4

		1	0
			2
			8

		2	4
			2
		2	2

		5	5
			1
		5	4

		2	6
			1
		2	5

		1	4
			1
		1	3

		2	9
			7
		2	2

		2	0
			7
		1	3

		3	0
			1
		2	9

		8	1
			1
		8	0

		5	0
			2
		4	8

		6	4
			2
		6	2

		6	0
			4
		5	6

		1	2
			4
			8