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분수 2자리 (분모가 같은)

1
3 75
+
4 75
=
7 75
2
4 21
+
2 21
=
6 21
4
+
2
=
2 7
3
2 58
+
6 58
=
8 58
2
+
6
=
4 29
4
6 54
+
2 54
=
8 54
6
+
2
=
4 27
5
2 78
+
8 78
=
10 78
2
+
8
=
5 39
6
8 70
+
5 70
=
13 70
7
5 22
+
1 22
=
6 22
5
+
1
=
3 11
8
1 73
+
2 73
=
3 73
9
2 31
+
5 31
=
7 31
10
5 74
+
2 74
=
7 74
11
2 99
+
1 99
=
3 99
2
+
1
=
1 33
12
1 13
+
3 13
=
4 13
13
3 43
+
2 43
=
5 43
14
2 62
+
3 62
=
5 62
15
3 25
+
8 25
=
11 25
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