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뺄셈 2자리 - 1자리

		2	9
			9
		2	0

		3	5
			9
		2	6

		2	4
			1
		2	3

		2	6
			6
		2	0

		3	8
			5
		3	3

		6	6
			4
		6	2

		9	0
			2
		8	8

		1	9
			4
		1	5

		2	7
			1
		2	6

		1	1
			1
		1	0

		7	3
			5
		6	8

		2	6
			5
		2	1

		4	2
			2
		4	0

		1	4
			2
		1	2

		6	2
			9
		5	3