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뺄셈 2자리 - 1자리

		2	8
			9
		1	9

		4	4
			1
		4	3

		2	7
			2
		2	5

		7	6
			3
		7	3

		5	2
			6
		4	6

		3	1
			3
		2	8

		4	0
			5
		3	5

		6	9
			5
		6	4

		6	9
			4
		6	5

		1	9
			4
		1	5

		9	5
			2
		9	3

		8	3
			3
		8	0

		6	6
			6
		6	0

		5	5
			9
		4	6

		2	0
			2
		1	8