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뺄셈 2자리 - 1자리

		3	8
			2
		3	6

		2	1
			1
		2	0

		3	6
			5
		3	1

		2	5
			5
		2	0

		7	9
			3
		7	6

		9	0
			3
		8	7

		2	2
			1
		2	1

		6	2
			4
		5	8

		6	5
			5
		6	0

		3	7
			1
		3	6

		2	2
			1
		2	1

		3	1
			5
		2	6

		7	4
			1
		7	3

		6	7
			1
		6	6

		3	2
			4
		2	8