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분수 1자리 (분모가 같은)

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