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분수: 분모 2자리 덧셈4분수8

1
4 82
+
5 82
=
9 82
2
5 60
+
4 60
=
9 60
5
+
4
=
3 20
3
4 12
+
5 12
=
9 12
4
+
5
=
3 4
4
5 85
+
9 85
=
14 85
5
9 72
+
7 72
=
16 72
9
+
7
=
2 9
6
7 11
+
3 11
=
10 11
7
3 11
+
8 11
=
11 11
3
+
8
=
1 1
8
8 44
+
1 44
=
9 44
9
9 31
+
4 31
=
13 31
10
4 97
+
5 97
=
9 97
11
5 13
+
4 13
=
9 13
12
4 77
+
1 77
=
5 77
13
8 91
+
9 91
=
17 91
14
9 32
+
1 32
=
10 32
9
+
1
=
5 16
15
1 71
+
5 71
=
6 71