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분수: 분모 2자리 덧셈7분수7

1
7 75
+
6 75
=
13 75
2
6 11
+
3 11
=
9 11
3
3 12
+
6 12
=
9 12
3
+
6
=
3 4
4
6 42
+
4 42
=
10 42
6
+
4
=
5 21
5
4 39
+
8 39
=
12 39
4
+
8
=
4 13
6
4 28
+
3 28
=
7 28
4
+
3
=
1 4
7
3 87
+
2 87
=
5 87
8
2 40
+
5 40
=
7 40
9
5 38
+
4 38
=
9 38
10
4 67
+
3 67
=
7 67
11
3 24
+
6 24
=
9 24
3
+
6
=
3 8
12
1 46
+
6 46
=
7 46
13
6 60
+
2 60
=
8 60
6
+
2
=
2 15
14
6 32
+
1 32
=
7 32
15
1 50
+
5 50
=
6 50
1
+
5
=
3 25