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뺄셈 2자리 - 1자리

		5	6
			2
		5	4

		9	6
			1
		9	5

		8	3
			3
		8	0

		4	4
			4
		4	0

		7	5
			9
		6	6

		3	8
			2
		3	6

		2	6
			4
		2	2

		2	2
			2
		2	0

		2	7
			1
		2	6

		4	8
			5
		4	3

		3	6
			6
		3	0

		2	4
			8
		1	6

		3	1
			6
		2	5

		3	2
			5
		2	7

		5	4
			4
		5	0