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분수: 분모 2자리 덧셈4분수8

1
4 86
+
2 86
=
6 86
4
+
2
=
3 43
2
6 21
+
5 21
=
11 21
3
5 77
+
1 77
=
6 77
4
5 12
+
2 12
=
7 12
5
2 49
+
7 49
=
9 49
6
7 49
+
1 49
=
8 49
7
1 51
+
3 51
=
4 51
8
3 51
+
6 51
=
9 51
3
+
6
=
3 17
9
6 86
+
2 86
=
8 86
6
+
2
=
4 43
10
5 32
+
4 32
=
9 32
11
4 53
+
3 53
=
7 53
12
3 18
+
2 18
=
5 18
13
5 72
+
3 72
=
8 72
5
+
3
=
1 9
14
1 13
+
5 13
=
6 13
15
5 21
+
2 21
=
7 21
5
+
2
=
1 3