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분수: 분모 2자리 덧셈3분수3

1
3 37
+
1 37
=
4 37
2
1 12
+
2 12
=
3 12
1
+
2
=
1 4
3
2 60
+
3 60
=
5 60
2
+
3
=
1 12
4
8 60
+
3 60
=
11 60
5
3 17
+
5 17
=
8 17
6
5 42
+
8 42
=
13 42
7
8 32
+
3 32
=
11 32
8
3 47
+
6 47
=
9 47
9
6 10
+
9 10
=
15 10
6
+
9
=
3 2
10
4 19
+
6 19
=
10 19
11
6 19
+
3 19
=
9 19
12
3 12
+
4 12
=
7 12
13
4 71
+
1 71
=
5 71
14
1 66
+
5 66
=
6 66
1
+
5
=
1 11
15
5 51
+
4 51
=
9 51
5
+
4
=
3 17