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뺄셈 2자리 - 1자리

		3	4
			4
		3	0

		4	0
			3
		3	7

		6	8
			1
		6	7

		6	7
			3
		6	4

		9	6
			6
		9	0

		4	5
			2
		4	3

		2	3
			4
		1	9

		2	9
			6
		2	3

		3	6
			4
		3	2

		3	7
			1
		3	6

		4	4
			9
		3	5

		9	5
			2
		9	3

		1	1
			6
			5

		2	0
			1
		1	9

		8	6
			5
		8	1