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분수: 분모 2자리 덧셈3분수8

1
3 81
+
1 81
=
4 81
2
1 80
+
3 80
=
4 80
1
+
3
=
1 20
3
6 13
+
3 13
=
9 13
4
3 41
+
2 41
=
5 41
5
5 10
+
2 10
=
7 10
6
2 67
+
6 67
=
8 67
7
6 22
+
4 22
=
10 22
6
+
4
=
5 11
8
4 94
+
3 94
=
7 94
9
3 60
+
1 60
=
4 60
3
+
1
=
1 15
10
1 31
+
3 31
=
4 31
11
3 25
+
1 25
=
4 25
12
1 39
+
4 39
=
5 39
13
2 74
+
3 74
=
5 74
14
3 39
+
7 39
=
10 39
15
7 35
+
6 35
=
13 35