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분수 2자리 (분모가 같은)

1
5 17
+
4 17
=
9 17
2
4 13
+
2 13
=
6 13
3
2 91
+
3 91
=
5 91
4
3 23
+
1 23
=
4 23
5
1 45
+
3 45
=
4 45
6
3 47
+
1 47
=
4 47
7
1 83
+
2 83
=
3 83
8
2 68
+
5 68
=
7 68
9
5 39
+
3 39
=
8 39
10
3 44
+
4 44
=
7 44
11
4 82
+
5 82
=
9 82
12
5 14
+
6 14
=
11 14
13
6 57
+
2 57
=
8 57
14
2 69
+
3 69
=
5 69
15
3 28
+
8 28
=
11 28