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분수: 분모 1자리 덧셈2분수0

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