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뺄셈 2자리 - 1자리

		2	9
			4
		2	5

		9	7
			6
		9	1

		3	3
			3
		3	0

		2	8
			5
		2	3

		2	3
			7
		1	6

		8	2
			3
		7	9

		1	4
			8
			6

		7	1
			3
		6	8

		1	1
			5
			6

		5	8
			4
		5	4

		6	4
			3
		6	1

		5	2
			2
		5	0

		3	2
			2
		3	0

		2	0
			6
		1	4

		3	1
			6
		2	5