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뺄셈 2자리 - 1자리

		2	9
			8
		2	1

		3	2
			5
		2	7

		5	0
			9
		4	1

		6	1
			2
		5	9

		6	2
			9
		5	3

		6	3
			2
		6	1

		2	9
			6
		2	3

		8	5
			5
		8	0

		3	4
			4
		3	0

		8	3
			2
		8	1

		2	4
			2
		2	2

		3	8
			7
		3	1

		2	2
			2
		2	0

		2	3
			5
		1	8

		4	1
			6
		3	5