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뺄셈 2자리 - 1자리

		7	0
			4
		6	6

		7	6
			5
		7	1

		3	9
			3
		3	6

		1	3
			3
		1	0

		7	4
			6
		6	8

		4	6
			2
		4	4

		4	0
			6
		3	4

		3	1
			3
		2	8

		2	7
			6
		2	1

		6	0
			2
		5	8

		2	1
			6
		1	5

		9	2
			5
		8	7

		7	1
			5
		6	6

		3	1
			2
		2	9

		1	8
			6
		1	2