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뺄셈 2자리 - 1자리

		1	2
			6
			6

		1	0
			6
			4

		4	6
			3
		4	3

		5	0
			4
		4	6

		7	0
			2
		6	8

		6	5
			6
		5	9

		2	5
			5
		2	0

		3	9
			5
		3	4

		8	7
			3
		8	4

		3	6
			7
		2	9

		7	2
			6
		6	6

		9	3
			9
		8	4

		6	3
			9
		5	4

		9	2
			9
		8	3

		5	3
			3
		5	0