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분수: 분모 2자리 덧셈2분수7

1
2 78
+
6 78
=
8 78
2
+
6
=
4 39
2
8 63
+
9 63
=
17 63
3
9 65
+
8 65
=
17 65
4
8 16
+
2 16
=
10 16
8
+
2
=
5 8
5
2 57
+
5 57
=
7 57
6
5 26
+
8 26
=
13 26
5
+
8
=
1 2
7
8 55
+
1 55
=
9 55
8
1 40
+
8 40
=
9 40
9
8 46
+
1 46
=
9 46
10
1 36
+
3 36
=
4 36
1
+
3
=
1 9
11
3 11
+
2 11
=
5 11
12
2 38
+
3 38
=
5 38
13
3 54
+
4 54
=
7 54
14
4 61
+
2 61
=
6 61
15
2 48
+
6 48
=
8 48
2
+
6
=
1 6