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분수: 분모 2자리 덧셈5분수7

1
5 75
+
3 75
=
8 75
2
3 75
+
9 75
=
12 75
3
+
9
=
4 25
3
9 83
+
4 83
=
13 83
4
4 12
+
7 12
=
11 12
5
7 81
+
5 81
=
12 81
7
+
5
=
4 27
6
5 25
+
1 25
=
6 25
7
1 36
+
8 36
=
9 36
1
+
8
=
1 4
8
5 78
+
1 78
=
6 78
5
+
1
=
1 13
9
4 81
+
8 81
=
12 81
4
+
8
=
4 27
10
8 15
+
7 15
=
15 15
8
+
7
=
1 1
11
7 40
+
5 40
=
12 40
7
+
5
=
3 10
12
3 35
+
2 35
=
5 35
3
+
2
=
1 7
13
2 47
+
3 47
=
5 47
14
3 38
+
1 38
=
4 38
3
+
1
=
2 19
15
1 58
+
3 58
=
4 58
1
+
3
=
2 29