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분수: 분모 2자리 덧셈4분수0

1
4 61
+
8 61
=
12 61
2
8 28
+
1 28
=
9 28
3
4 91
+
9 91
=
13 91
4
+
9
=
1 7
4
9 89
+
2 89
=
11 89
5
2 61
+
9 61
=
11 61
6
9 21
+
4 21
=
13 21
7
4 23
+
2 23
=
6 23
8
2 12
+
4 12
=
6 12
2
+
4
=
1 2
9
4 64
+
5 64
=
9 64
10
5 42
+
4 42
=
9 42
5
+
4
=
3 14
11
4 73
+
2 73
=
6 73
12
2 45
+
5 45
=
7 45
13
5 61
+
1 61
=
6 61
14
1 12
+
6 12
=
7 12
15
6 63
+
3 63
=
9 63
6
+
3
=
1 7