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뺄셈 2자리 - 1자리

		1	6
			4
		1	2

		4	4
			8
		3	6

		7	4
			8
		6	6

		4	1
			2
		3	9

		4	3
			2
		4	1

		3	0
			6
		2	4

		5	0
			2
		4	8

		7	8
			4
		7	4

		2	0
			2
		1	8

		4	0
			4
		3	6

		9	1
			1
		9	0

		2	3
			5
		1	8

		4	8
			1
		4	7

		3	3
			6
		2	7

		2	5
			5
		2	0