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분수: 분모 2자리 덧셈5분수7

1
5 72
+
2 72
=
7 72
2
2 58
+
1 58
=
3 58
3
1 55
+
2 55
=
3 55
4
2 80
+
5 80
=
7 80
5
5 40
+
4 40
=
9 40
6
4 20
+
1 20
=
5 20
4
+
1
=
1 4
7
1 68
+
6 68
=
7 68
8
6 61
+
3 61
=
9 61
9
3 61
+
5 61
=
8 61
10
5 90
+
3 90
=
8 90
5
+
3
=
4 45
11
3 12
+
6 12
=
9 12
3
+
6
=
3 4
12
6 93
+
7 93
=
13 93
13
7 52
+
2 52
=
9 52
14
2 34
+
6 34
=
8 34
2
+
6
=
4 17
15
6 49
+
9 49
=
15 49