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뺄셈 2자리 - 1자리

		4	0
			1
		3	9

		6	3
			2
		6	1

		1	0
			3
			7

		3	7
			7
		3	0

		7	2
			3
		6	9

		3	5
			6
		2	9

		1	0
			2
			8

		4	8
			3
		4	5

		3	2
			3
		2	9

		2	9
			3
		2	6

		1	5
			3
		1	2

		5	5
			3
		5	2

		2	6
			2
		2	4

		4	4
			6
		3	8

		2	4
			4
		2	0