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분수 2자리 (분모가 같은)

1
2 67
+
4 67
=
6 67
2
4 31
+
3 31
=
7 31
3
3 90
+
1 90
=
4 90
3
+
1
=
2 45
4
1 22
+
4 22
=
5 22
5
4 72
+
2 72
=
6 72
4
+
2
=
1 12
6
2 87
+
3 87
=
5 87
7
3 17
+
4 17
=
7 17
8
4 22
+
6 22
=
10 22
4
+
6
=
5 11
9
6 42
+
4 42
=
10 42
6
+
4
=
5 21
10
4 82
+
1 82
=
5 82
11
1 22
+
9 22
=
10 22
1
+
9
=
5 11
12
9 26
+
1 26
=
10 26
9
+
1
=
5 13
13
1 10
+
3 10
=
4 10
1
+
3
=
2 5
14
3 12
+
6 12
=
9 12
3
+
6
=
3 4
15
6 61
+
1 61
=
7 61
▲