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뺄셈 2자리 - 1자리

		3	2
			3
		2	9

		4	6
			2
		4	4

		6	4
			4
		6	0

		1	2
			4
			8

		4	4
			4
		4	0

		6	8
			3
		6	5

		6	4
			2
		6	2

		8	5
			7
		7	8

		9	1
			6
		8	5

		3	5
			5
		3	0

		2	2
			4
		1	8

		8	3
			7
		7	6

		2	0
			2
		1	8

		4	1
			7
		3	4

		3	0
			3
		2	7