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분수: 분모 1자리 덧셈3분수0

1
3 4
+
5 4
=
8 4
3
+
5
=
2 1
2
1 4
+
8 4
=
9 4
3
8 5
+
4 5
=
12 5
4
4 9
+
8 9
=
12 9
4
+
8
=
4 3
5
8 4
+
9 4
=
17 4
6
9 7
+
1 7
=
10 7
7
1 2
+
9 2
=
10 2
1
+
9
=
5 1
8
9 6
+
1 6
=
10 6
9
+
1
=
5 3
9
1 3
+
9 3
=
10 3
10
9 4
+
2 4
=
11 4
11
2 7
+
6 7
=
8 7
12
1 6
+
2 6
=
3 6
1
+
2
=
1 2
13
2 9
+
1 9
=
3 9
2
+
1
=
1 3
14
1 3
+
2 3
=
3 3
1
+
2
=
1 1
15
9 2
+
5 2
=
14 2
9
+
5
=
7 1