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분수: 분모 2자리 덧셈1분수4

1
1 45
+
3 45
=
4 45
2
3 36
+
5 36
=
8 36
3
+
5
=
2 9
3
5 27
+
3 27
=
8 27
4
3 68
+
4 68
=
7 68
5
4 63
+
2 63
=
6 63
4
+
2
=
2 21
6
2 43
+
4 43
=
6 43
7
5 44
+
4 44
=
9 44
8
4 36
+
1 36
=
5 36
9
1 60
+
5 60
=
6 60
1
+
5
=
1 10
10
5 60
+
7 60
=
12 60
5
+
7
=
1 5
11
7 54
+
1 54
=
8 54
7
+
1
=
4 27
12
1 67
+
2 67
=
3 67
13
2 49
+
4 49
=
6 49
14
4 26
+
2 26
=
6 26
4
+
2
=
3 13
15
2 87
+
5 87
=
7 87