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분수: 분모 2자리 덧셈2분수5

1
2 52
+
5 52
=
7 52
2
5 28
+
7 28
=
12 28
5
+
7
=
3 7
3
7 45
+
4 45
=
11 45
4
4 40
+
7 40
=
11 40
5
7 43
+
1 43
=
8 43
6
1 42
+
5 42
=
6 42
1
+
5
=
1 7
7
5 42
+
3 42
=
8 42
5
+
3
=
4 21
8
3 39
+
1 39
=
4 39
9
1 13
+
4 13
=
5 13
10
4 85
+
6 85
=
10 85
4
+
6
=
2 17
11
6 20
+
7 20
=
13 20
12
7 48
+
3 48
=
10 48
7
+
3
=
5 24
13
3 46
+
6 46
=
9 46
14
6 17
+
5 17
=
11 17
15
6 45
+
2 45
=
8 45