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뺄셈 2자리 - 1자리

		6	2
			5
		5	7

		2	9
			3
		2	6

		4	5
			2
		4	3

		4	0
			4
		3	6

		2	7
			7
		2	0

		2	4
			9
		1	5

		7	6
			1
		7	5

		8	6
			2
		8	4

		2	1
			9
		1	2

		2	3
			3
		2	0

		2	4
			4
		2	0

		3	8
			8
		3	0

		6	7
			5
		6	2

		3	5
			1
		3	4

		3	8
			1
		3	7