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분수: 분모 2자리 덧셈2분수7

1
2 78
+
4 78
=
6 78
2
+
4
=
1 13
2
4 33
+
2 33
=
6 33
4
+
2
=
2 11
3
2 48
+
4 48
=
6 48
2
+
4
=
1 8
4
7 47
+
4 47
=
11 47
5
4 35
+
9 35
=
13 35
6
9 21
+
2 21
=
11 21
7
2 40
+
5 40
=
7 40
8
5 48
+
1 48
=
6 48
5
+
1
=
1 8
9
1 44
+
4 44
=
5 44
10
4 75
+
3 75
=
7 75
11
3 85
+
9 85
=
12 85
12
4 69
+
3 69
=
7 69
13
3 83
+
6 83
=
9 83
14
6 22
+
1 22
=
7 22
15
1 62
+
4 62
=
5 62