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분수 1자리 (분모가 같은)

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