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뺄셈 2자리 - 1자리

		6	1
			7
		5	4

		3	5
			5
		3	0

		3	6
			5
		3	1

		6	2
			4
		5	8

		5	0
			6
		4	4

		3	0
			4
		2	6

		4	3
			2
		4	1

		7	3
			8
		6	5

		7	2
			3
		6	9

		3	6
			9
		2	7

		1	1
			3
			8

		4	0
			4
		3	6

		6	1
			1
		6	0

		7	2
			3
		6	9

		2	1
			1
		2	0