loading.....

덧셈 2자리 X 2자리

		2	1
		3	4
		5	5

		8	3
		1	2
		9	5

	5	0
	5	8
1	0	8

	9	3
	3	3
1	2	6

		5	2
		3	8
		9	0

		1	2
		4	8
		6	0

		1	2
		7	5
		8	7

		6	8
		2	7
		9	5

		2	6
		3	9
		6	5

		2	5
		4	1
		6	6

	7	1
	4	1
1	1	2

		4	7
		1	3
		6	0

	4	5
	6	2
1	0	7

		4	7
		1	6
		6	3

		3	0
		6	1
		9	1