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분수: 분모 2자리 덧셈3분수2

1
3 21
+
4 21
=
7 21
3
+
4
=
1 3
2
4 38
+
5 38
=
9 38
3
5 92
+
1 92
=
6 92
5
+
1
=
3 46
4
7 31
+
5 31
=
12 31
5
5 84
+
2 84
=
7 84
5
+
2
=
1 12
6
2 65
+
6 65
=
8 65
7
6 33
+
3 33
=
9 33
6
+
3
=
3 11
8
3 38
+
4 38
=
7 38
9
4 65
+
3 65
=
7 65
10
3 29
+
6 29
=
9 29
11
6 36
+
2 36
=
8 36
6
+
2
=
2 9
12
2 41
+
6 41
=
8 41
13
6 28
+
4 28
=
10 28
6
+
4
=
5 14
14
4 18
+
3 18
=
7 18
15
3 10
+
9 10
=
12 10
3
+
9
=
6 5