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분수: 분모 2자리 덧셈3분수7

1
3 73
+
2 73
=
5 73
2
6 72
+
5 72
=
11 72
3
5 34
+
1 34
=
6 34
5
+
1
=
3 17
4
1 14
+
7 14
=
8 14
1
+
7
=
4 7
5
7 49
+
1 49
=
8 49
6
1 15
+
6 15
=
7 15
7
6 74
+
2 74
=
8 74
6
+
2
=
4 37
8
2 85
+
4 85
=
6 85
9
4 14
+
5 14
=
9 14
10
5 48
+
6 48
=
11 48
11
6 21
+
3 21
=
9 21
6
+
3
=
3 7
12
3 18
+
4 18
=
7 18
13
4 49
+
6 49
=
10 49
14
6 13
+
1 13
=
7 13
15
1 61
+
9 61
=
10 61