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분수: 분모 2자리 덧셈3분수2

1
3 21
+
2 21
=
5 21
2
2 32
+
6 32
=
8 32
2
+
6
=
1 4
3
6 55
+
1 55
=
7 55
4
1 21
+
9 21
=
10 21
5
9 57
+
7 57
=
16 57
6
7 41
+
8 41
=
15 41
7
8 49
+
2 49
=
10 49
8
3 30
+
2 30
=
5 30
3
+
2
=
1 6
9
2 65
+
5 65
=
7 65
10
5 75
+
6 75
=
11 75
11
6 31
+
4 31
=
10 31
12
4 52
+
1 52
=
5 52
13
1 49
+
8 49
=
9 49
14
8 54
+
7 54
=
15 54
8
+
7
=
5 18
15
7 85
+
3 85
=
10 85
7
+
3
=
2 17