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뺄셈 2자리 - 1자리

		8	8
			2
		8	6

		6	7
			6
		6	1

		2	0
			5
		1	5

		3	8
			7
		3	1

		3	1
			5
		2	6

		2	8
			8
		2	0

		5	2
			6
		4	6

		5	0
			3
		4	7

		3	8
			8
		3	0

		2	5
			1
		2	4

		1	4
			9
			5

		2	5
			2
		2	3

		1	6
			4
		1	2

		3	0
			4
		2	6

		6	3
			1
		6	2