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뺄셈 2자리 - 1자리

		6	0
			1
		5	9

		2	9
			9
		2	0

		3	1
			6
		2	5

		9	1
			2
		8	9

		3	0
			2
		2	8

		9	1
			4
		8	7

		6	5
			5
		6	0

		5	0
			9
		4	1

		9	2
			5
		8	7

		3	9
			3
		3	6

		3	5
			2
		3	3

		1	9
			1
		1	8

		4	7
			7
		4	0

		2	2
			5
		1	7

		2	7
			2
		2	5