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분수: 분모 2자리 덧셈3분수7

1
3 72
+
5 72
=
8 72
3
+
5
=
1 9
2
5 17
+
1 17
=
6 17
3
1 99
+
6 99
=
7 99
4
6 71
+
2 71
=
8 71
5
2 74
+
3 74
=
5 74
6
3 35
+
8 35
=
11 35
7
8 12
+
2 12
=
10 12
8
+
2
=
5 6
8
2 34
+
1 34
=
3 34
9
1 46
+
9 46
=
10 46
1
+
9
=
5 23
10
9 62
+
1 62
=
10 62
9
+
1
=
5 31
11
1 34
+
2 34
=
3 34
12
2 36
+
5 36
=
7 36
13
5 41
+
3 41
=
8 41
14
5 63
+
3 63
=
8 63
15
6 33
+
5 33
=
11 33
6
+
5
=
1 3