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뺄셈 2자리 - 1자리

		5	7
			7
		5	0

		2	9
			7
		2	2

		9	7
			1
		9	6

		6	3
			5
		5	8

		4	0
			5
		3	5

		9	3
			2
		9	1

		4	5
			1
		4	4

		5	2
			7
		4	5

		1	6
			4
		1	2

		2	2
			4
		1	8

		1	5
			2
		1	3

		2	5
			5
		2	0

		2	3
			2
		2	1

		9	0
			1
		8	9

		9	0
			4
		8	6