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분수: 분모 2자리 덧셈4분수7

1
4 77
+
7 77
=
11 77
4
+
7
=
1 7
2
7 23
+
1 23
=
8 23
3
1 84
+
3 84
=
4 84
1
+
3
=
1 21
4
3 55
+
1 55
=
4 55
5
1 43
+
6 43
=
7 43
6
6 97
+
1 97
=
7 97
7
1 65
+
5 65
=
6 65
8
5 59
+
9 59
=
14 59
9
9 31
+
8 31
=
17 31
10
8 47
+
4 47
=
12 47
11
4 30
+
3 30
=
7 30
12
3 31
+
2 31
=
5 31
13
2 17
+
4 17
=
6 17
14
4 29
+
5 29
=
9 29
15
5 44
+
1 44
=
6 44
5
+
1
=
3 22