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분수: 분모 1자리 덧셈3분수1

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