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분수: 분모 2자리 덧셈3분수3

1
3 31
+
9 31
=
12 31
2
9 14
+
4 14
=
13 14
3
4 52
+
2 52
=
6 52
4
+
2
=
3 26
4
2 39
+
8 39
=
10 39
5
8 74
+
3 74
=
11 74
6
3 24
+
5 24
=
8 24
3
+
5
=
1 3
7
5 62
+
4 62
=
9 62
8
4 45
+
3 45
=
7 45
9
3 46
+
9 46
=
12 46
3
+
9
=
6 23
10
9 53
+
4 53
=
13 53
11
4 44
+
7 44
=
11 44
4
+
7
=
1 4
12
7 17
+
1 17
=
8 17
13
1 94
+
6 94
=
7 94
14
6 14
+
5 14
=
11 14
15
5 91
+
2 91
=
7 91
5
+
2
=
1 13