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분수: 분모 2자리 덧셈9분수4

1
9 45
+
7 45
=
16 45
2
7 77
+
6 77
=
13 77
3
5 56
+
4 56
=
9 56
4
4 70
+
3 70
=
7 70
4
+
3
=
1 10
5
4 33
+
2 33
=
6 33
4
+
2
=
2 11
6
2 59
+
9 59
=
11 59
7
9 46
+
2 46
=
11 46
8
2 61
+
4 61
=
6 61
9
4 49
+
7 49
=
11 49
10
2 77
+
5 77
=
7 77
2
+
5
=
1 11
11
5 65
+
2 65
=
7 65
12
2 15
+
5 15
=
7 15
13
5 75
+
3 75
=
8 75
14
3 65
+
2 65
=
5 65
3
+
2
=
1 13
15
2 78
+
3 78
=
5 78