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분수: 분모 2자리 덧셈4분수4

1
4 42
+
2 42
=
6 42
4
+
2
=
1 7
2
2 30
+
3 30
=
5 30
2
+
3
=
1 6
3
3 38
+
2 38
=
5 38
4
3 92
+
6 92
=
9 92
5
6 17
+
1 17
=
7 17
6
1 47
+
3 47
=
4 47
7
3 45
+
7 45
=
10 45
3
+
7
=
2 9
8
7 12
+
1 12
=
8 12
7
+
1
=
2 3
9
9 11
+
1 11
=
10 11
10
1 52
+
2 52
=
3 52
11
2 82
+
4 82
=
6 82
2
+
4
=
3 41
12
4 28
+
6 28
=
10 28
4
+
6
=
5 14
13
6 85
+
7 85
=
13 85
14
7 95
+
4 95
=
11 95
15
4 21
+
6 21
=
10 21