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뺄셈 2자리 - 1자리

		1	6
			1
		1	5

		9	6
			2
		9	4

		6	2
			6
		5	6

		4	1
			1
		4	0

		4	4
			6
		3	8

		3	0
			5
		2	5

		2	4
			5
		1	9

		6	8
			4
		6	4

		7	0
			1
		6	9

		7	6
			6
		7	0

		1	2
			5
			7

		2	3
			2
		2	1

		9	5
			4
		9	1

		4	3
			9
		3	4

		6	8
			2
		6	6