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분수: 분모 2자리 덧셈2분수4

1
2 42
+
4 42
=
6 42
2
+
4
=
1 7
2
4 63
+
5 63
=
9 63
4
+
5
=
1 7
3
5 78
+
2 78
=
7 78
4
2 85
+
6 85
=
8 85
5
6 82
+
8 82
=
14 82
6
+
8
=
7 41
6
8 12
+
1 12
=
9 12
8
+
1
=
3 4
7
1 61
+
4 61
=
5 61
8
4 38
+
5 38
=
9 38
9
5 70
+
1 70
=
6 70
5
+
1
=
3 35
10
1 32
+
4 32
=
5 32
11
4 20
+
7 20
=
11 20
12
7 63
+
6 63
=
13 63
13
6 24
+
5 24
=
11 24
14
5 16
+
2 16
=
7 16
15
5 52
+
1 52
=
6 52
5
+
1
=
3 26