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분수 2자리 (분모가 같은)

1
2 25
+
6 25
=
8 25
2
6 34
+
3 34
=
9 34
3
3 63
+
4 63
=
7 63
3
+
4
=
1 9
4
4 79
+
9 79
=
13 79
5
9 63
+
2 63
=
11 63
6
2 21
+
3 21
=
5 21
7
3 57
+
4 57
=
7 57
8
4 61
+
3 61
=
7 61
9
3 24
+
1 24
=
4 24
3
+
1
=
1 6
10
1 57
+
4 57
=
5 57
11
1 54
+
4 54
=
5 54
12
4 89
+
7 89
=
11 89
13
7 33
+
3 33
=
10 33
14
3 32
+
5 32
=
8 32
3
+
5
=
1 4
15
5 25
+
3 25
=
8 25
▲