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뺄셈 2자리 - 1자리

		3	8
			1
		3	7

		6	2
			2
		6	0

		7	2
			5
		6	7

		3	0
			5
		2	5

		2	2
			2
		2	0

		2	4
			4
		2	0

		6	5
			1
		6	4

		3	5
			4
		3	1

		3	6
			2
		3	4

		8	1
			1
		8	0

		3	4
			5
		2	9

		3	2
			3
		2	9

		7	0
			2
		6	8

		6	2
			6
		5	6

		2	3
			5
		1	8