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분수: 분모 2자리 덧셈7분수5

1
7 51
+
3 51
=
10 51
2
3 25
+
7 25
=
10 25
3
+
7
=
2 5
3
7 61
+
1 61
=
8 61
4
8 61
+
1 61
=
9 61
5
1 21
+
4 21
=
5 21
6
4 46
+
6 46
=
10 46
4
+
6
=
5 23
7
6 46
+
5 46
=
11 46
8
5 35
+
6 35
=
11 35
9
6 48
+
7 48
=
13 48
10
7 37
+
1 37
=
8 37
11
1 17
+
3 17
=
4 17
12
3 56
+
1 56
=
4 56
3
+
1
=
1 14
13
1 78
+
9 78
=
10 78
1
+
9
=
5 39
14
9 55
+
4 55
=
13 55
15
4 84
+
1 84
=
5 84