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분수: 분모 2자리 덧셈4분수1

1
4 12
+
3 12
=
7 12
2
3 90
+
4 90
=
7 90
3
4 27
+
1 27
=
5 27
4
1 74
+
2 74
=
3 74
5
1 82
+
6 82
=
7 82
6
4 46
+
8 46
=
12 46
4
+
8
=
6 23
7
8 63
+
5 63
=
13 63
8
5 30
+
6 30
=
11 30
9
1 76
+
2 76
=
3 76
10
2 28
+
8 28
=
10 28
2
+
8
=
5 14
11
8 41
+
5 41
=
13 41
12
5 55
+
3 55
=
8 55
13
3 61
+
6 61
=
9 61
14
6 72
+
5 72
=
11 72
15
5 72
+
2 72
=
7 72