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분수: 분모 1자리 덧셈2분수9

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