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분수 2자리 (분모가 같은)

1
6 28
+
2 28
=
8 28
6
+
2
=
2 7
2
2 89
+
3 89
=
5 89
3
3 56
+
4 56
=
7 56
3
+
4
=
1 8
4
4 63
+
5 63
=
9 63
4
+
5
=
1 7
5
5 44
+
6 44
=
11 44
5
+
6
=
1 4
6
6 39
+
2 39
=
8 39
7
2 33
+
1 33
=
3 33
2
+
1
=
1 11
8
1 28
+
7 28
=
8 28
1
+
7
=
2 7
9
7 33
+
2 33
=
9 33
7
+
2
=
3 11
10
2 30
+
1 30
=
3 30
2
+
1
=
1 10
11
1 21
+
5 21
=
6 21
1
+
5
=
2 7
12
5 34
+
3 34
=
8 34
5
+
3
=
4 17
13
6 33
+
9 33
=
15 33
6
+
9
=
5 11
14
9 44
+
3 44
=
12 44
9
+
3
=
3 11
15
3 24
+
6 24
=
9 24
3
+
6
=
3 8
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