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분수: 분모 2자리 덧셈8분수3

1
8 32
+
4 32
=
12 32
8
+
4
=
3 8
2
4 42
+
8 42
=
12 42
4
+
8
=
2 7
3
8 77
+
3 77
=
11 77
8
+
3
=
1 7
4
3 91
+
1 91
=
4 91
5
1 66
+
2 66
=
3 66
1
+
2
=
1 22
6
1 42
+
8 42
=
9 42
1
+
8
=
3 14
7
8 24
+
9 24
=
17 24
8
9 64
+
4 64
=
13 64
9
4 72
+
1 72
=
5 72
10
1 28
+
3 28
=
4 28
1
+
3
=
1 7
11
3 49
+
5 49
=
8 49
12
5 97
+
1 97
=
6 97
13
1 23
+
5 23
=
6 23
14
1 55
+
2 55
=
3 55
15
2 20
+
8 20
=
10 20
2
+
8
=
1 2