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분수: 분모 2자리 덧셈2분수6

1
2 67
+
7 67
=
9 67
2
7 83
+
5 83
=
12 83
3
5 56
+
3 56
=
8 56
5
+
3
=
1 7
4
3 71
+
2 71
=
5 71
5
2 73
+
1 73
=
3 73
6
1 41
+
5 41
=
6 41
7
5 56
+
2 56
=
7 56
5
+
2
=
1 8
8
7 42
+
1 42
=
8 42
7
+
1
=
4 21
9
1 15
+
7 15
=
8 15
10
7 42
+
8 42
=
15 42
7
+
8
=
5 14
11
1 18
+
3 18
=
4 18
1
+
3
=
2 9
12
3 31
+
1 31
=
4 31
13
1 24
+
4 24
=
5 24
14
5 74
+
7 74
=
12 74
5
+
7
=
6 37
15
7 54
+
5 54
=
12 54
7
+
5
=
2 9