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분수: 분모 2자리 덧셈9분수2

1
9 21
+
2 21
=
11 21
2
2 51
+
6 51
=
8 51
3
6 35
+
5 35
=
11 35
4
4 54
+
3 54
=
7 54
5
3 63
+
9 63
=
12 63
3
+
9
=
4 21
6
9 33
+
3 33
=
12 33
9
+
3
=
4 11
7
3 63
+
6 63
=
9 63
3
+
6
=
1 7
8
6 52
+
9 52
=
15 52
9
9 21
+
4 21
=
13 21
10
4 13
+
3 13
=
7 13
11
3 15
+
1 15
=
4 15
12
1 37
+
5 37
=
6 37
13
5 62
+
1 62
=
6 62
5
+
1
=
3 31
14
1 96
+
9 96
=
10 96
1
+
9
=
5 48
15
9 89
+
5 89
=
14 89