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분수: 분모 2자리 덧셈1분수6

1
1 68
+
4 68
=
5 68
2
4 69
+
2 69
=
6 69
4
+
2
=
2 23
3
3 29
+
1 29
=
4 29
4
1 49
+
3 49
=
4 49
5
3 17
+
2 17
=
5 17
6
2 35
+
5 35
=
7 35
2
+
5
=
1 5
7
5 56
+
1 56
=
6 56
5
+
1
=
3 28
8
1 20
+
8 20
=
9 20
9
8 30
+
9 30
=
17 30
10
9 55
+
4 55
=
13 55
11
4 12
+
6 12
=
10 12
4
+
6
=
5 6
12
6 23
+
3 23
=
9 23
13
3 78
+
1 78
=
4 78
3
+
1
=
2 39
14
1 26
+
7 26
=
8 26
1
+
7
=
4 13
15
7 25
+
3 25
=
10 25
7
+
3
=
2 5