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뺄셈 2자리 - 1자리

		6	1
			7
		5	4

		9	0
			8
		8	2

		6	3
			7
		5	6

		6	1
			2
		5	9

		8	4
			4
		8	0

		4	6
			2
		4	4

		2	1
			3
		1	8

		2	0
			4
		1	6

		2	9
			3
		2	6

		9	4
			9
		8	5

		9	3
			9
		8	4

		2	4
			2
		2	2

		5	2
			6
		4	6

		4	9
			3
		4	6

		1	7
			2
		1	5