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분수: 분모 1자리 덧셈3분수9

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