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분수: 분모 2자리 덧셈3분수1

1
3 15
+
2 15
=
5 15
3
+
2
=
1 3
2
2 23
+
4 23
=
6 23
3
4 50
+
1 50
=
5 50
4
+
1
=
1 10
4
1 65
+
6 65
=
7 65
5
6 35
+
5 35
=
11 35
6
5 69
+
3 69
=
8 69
7
3 34
+
8 34
=
11 34
8
8 21
+
7 21
=
15 21
8
+
7
=
5 7
9
5 27
+
1 27
=
6 27
5
+
1
=
2 9
10
1 23
+
6 23
=
7 23
11
3 63
+
9 63
=
12 63
3
+
9
=
4 21
12
9 77
+
4 77
=
13 77
13
4 81
+
2 81
=
6 81
4
+
2
=
2 27
14
2 70
+
1 70
=
3 70
15
1 62
+
5 62
=
6 62
1
+
5
=
3 31