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분수 2자리 (분모가 같은)

1
5 69
+
1 69
=
6 69
5
+
1
=
2 23
2
1 25
+
2 25
=
3 25
3
2 81
+
3 81
=
5 81
4
3 88
+
4 88
=
7 88
5
4 66
+
1 66
=
5 66
6
1 21
+
2 21
=
3 21
1
+
2
=
1 7
7
2 61
+
1 61
=
3 61
8
9 21
+
5 21
=
14 21
9
+
5
=
2 3
9
5 24
+
7 24
=
12 24
5
+
7
=
1 2
10
8 27
+
2 27
=
10 27
11
2 29
+
7 29
=
9 29
12
7 53
+
3 53
=
10 53
13
3 37
+
4 37
=
7 37
14
4 59
+
5 59
=
9 59
15
9 45
+
1 45
=
10 45
9
+
1
=
2 9