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분수: 분모 2자리 덧셈4분수2

1
4 20
+
7 20
=
11 20
2
7 25
+
1 25
=
8 25
3
1 65
+
9 65
=
10 65
1
+
9
=
2 13
4
9 34
+
8 34
=
17 34
9
+
8
=
1 2
5
8 46
+
4 46
=
12 46
8
+
4
=
6 23
6
8 44
+
2 44
=
10 44
8
+
2
=
5 22
7
2 42
+
6 42
=
8 42
2
+
6
=
4 21
8
6 46
+
3 46
=
9 46
9
3 13
+
2 13
=
5 13
10
2 74
+
7 74
=
9 74
11
2 97
+
5 97
=
7 97
12
5 39
+
1 39
=
6 39
5
+
1
=
2 13
13
1 38
+
4 38
=
5 38
14
4 58
+
2 58
=
6 58
4
+
2
=
3 29
15
2 85
+
5 85
=
7 85