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뺄셈 2자리 - 1자리

		1	7
			6
		1	1

		3	9
			5
		3	4

		6	8
			3
		6	5

		2	8
			2
		2	6

		6	2
			1
		6	1

		9	0
			2
		8	8

		2	0
			2
		1	8

		8	1
			5
		7	6

		1	0
			2
			8

		6	0
			1
		5	9

		7	7
			8
		6	9

		3	0
			9
		2	1

		1	0
			3
			7

		5	3
			5
		4	8

		4	6
			2
		4	4