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분수: 분모 2자리 덧셈2분수8

1
2 81
+
4 81
=
6 81
2
+
4
=
2 27
2
4 38
+
9 38
=
13 38
3
9 92
+
7 92
=
16 92
9
+
7
=
4 23
4
7 31
+
6 31
=
13 31
5
6 81
+
4 81
=
10 81
6
4 57
+
1 57
=
5 57
7
1 56
+
2 56
=
3 56
8
2 21
+
7 21
=
9 21
2
+
7
=
3 7
9
7 53
+
3 53
=
10 53
10
3 37
+
4 37
=
7 37
11
4 49
+
1 49
=
5 49
12
3 11
+
4 11
=
7 11
13
4 46
+
6 46
=
10 46
4
+
6
=
5 23
14
6 33
+
1 33
=
7 33
15
1 21
+
5 21
=
6 21
1
+
5
=
2 7