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분수: 분모 1자리 덧셈3분수8

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