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뺄셈 2자리 - 1자리

		6	0
			4
		5	6

		5	8
			3
		5	5

		9	3
			1
		9	2

		4	6
			3
		4	3

		5	9
			4
		5	5

		1	6
			2
		1	4

		2	0
			2
		1	8

		9	8
			5
		9	3

		6	9
			5
		6	4

		1	5
			9
			6

		9	2
			6
		8	6

		1	2
			6
			6

		3	6
			2
		3	4

		4	4
			6
		3	8

		8	2
			2
		8	0