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분수: 분모 2자리 덧셈4분수7

1
4 77
+
3 77
=
7 77
4
+
3
=
1 11
2
3 44
+
2 44
=
5 44
3
2 23
+
1 23
=
3 23
4
1 85
+
7 85
=
8 85
5
7 76
+
1 76
=
8 76
7
+
1
=
2 19
6
1 43
+
6 43
=
7 43
7
6 10
+
1 10
=
7 10
8
1 28
+
3 28
=
4 28
1
+
3
=
1 7
9
3 33
+
2 33
=
5 33
10
5 22
+
9 22
=
14 22
5
+
9
=
7 11
11
9 39
+
5 39
=
14 39
12
5 23
+
8 23
=
13 23
13
8 20
+
7 20
=
15 20
8
+
7
=
3 4
14
7 58
+
2 58
=
9 58
15
2 23
+
5 23
=
7 23