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분수: 분모 2자리 덧셈2분수3

1
2 31
+
1 31
=
3 31
2
1 94
+
5 94
=
6 94
1
+
5
=
3 47
3
5 43
+
2 43
=
7 43
4
2 61
+
3 61
=
5 61
5
3 52
+
9 52
=
12 52
3
+
9
=
3 13
6
9 52
+
8 52
=
17 52
7
8 32
+
9 32
=
17 32
8
9 46
+
1 46
=
10 46
9
+
1
=
5 23
9
1 51
+
2 51
=
3 51
1
+
2
=
1 17
10
2 27
+
1 27
=
3 27
2
+
1
=
1 9
11
1 15
+
8 15
=
9 15
1
+
8
=
3 5
12
8 15
+
5 15
=
13 15
13
5 28
+
4 28
=
9 28
14
4 35
+
7 35
=
11 35
15
7 33
+
2 33
=
9 33
7
+
2
=
3 11