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분수: 분모 2자리 덧셈3분수4

1
3 40
+
1 40
=
4 40
3
+
1
=
1 10
2
1 35
+
4 35
=
5 35
1
+
4
=
1 7
3
1 24
+
3 24
=
4 24
1
+
3
=
1 6
4
4 13
+
2 13
=
6 13
5
2 21
+
5 21
=
7 21
2
+
5
=
1 3
6
5 42
+
4 42
=
9 42
5
+
4
=
3 14
7
4 10
+
1 10
=
5 10
4
+
1
=
1 2
8
1 16
+
3 16
=
4 16
1
+
3
=
1 4
9
3 17
+
7 17
=
10 17
10
7 97
+
3 97
=
10 97
11
3 27
+
5 27
=
8 27
12
5 62
+
9 62
=
14 62
5
+
9
=
7 31
13
9 71
+
2 71
=
11 71
14
2 65
+
9 65
=
11 65
15
9 14
+
6 14
=
15 14