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분수 1자리 (분모가 같은)

1
1 2
+
3 2
=
4 2
1
+
3
=
2 1
2
3 3
+
7 3
=
10 3
3
1 4
+
7 4
=
8 4
1
+
7
=
2 1
4
7 7
+
3 7
=
10 7
5
3 7
+
7 7
=
10 7
6
1 3
+
8 3
=
9 3
1
+
8
=
3 1
7
8 2
+
7 2
=
15 2
8
7 4
+
1 4
=
8 4
7
+
1
=
2 1
9
1 3
+
7 3
=
8 3
10
7 7
+
1 7
=
8 7
11
1 6
+
2 6
=
3 6
1
+
2
=
1 2
12
9 2
+
5 2
=
14 2
9
+
5
=
7 1
13
5 5
+
6 5
=
11 5
14
6 3
+
8 3
=
14 3
15
8 2
+
3 2
=
11 2