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분수: 분모 2자리 덧셈1분수3

1
1 39
+
3 39
=
4 39
2
3 92
+
4 92
=
7 92
3
4 99
+
7 99
=
11 99
4
+
7
=
1 9
4
7 43
+
6 43
=
13 43
5
6 21
+
4 21
=
10 21
6
9 42
+
1 42
=
10 42
9
+
1
=
5 21
7
1 17
+
2 17
=
3 17
8
2 50
+
4 50
=
6 50
2
+
4
=
3 25
9
7 14
+
6 14
=
13 14
10
6 83
+
1 83
=
7 83
11
1 47
+
3 47
=
4 47
12
3 46
+
6 46
=
9 46
13
6 23
+
9 23
=
15 23
14
9 10
+
4 10
=
13 10
15
4 44
+
5 44
=
9 44