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분수: 분모 2자리 덧셈2분수0

1
9 10
+
2 10
=
11 10
2
4 42
+
3 42
=
7 42
4
+
3
=
1 6
3
4 33
+
3 33
=
7 33
4
3 29
+
4 29
=
7 29
5
4 30
+
9 30
=
13 30
6
9 29
+
2 29
=
11 29
7
2 52
+
9 52
=
11 52
8
9 25
+
4 25
=
13 25
9
4 57
+
7 57
=
11 57
10
7 21
+
4 21
=
11 21
11
4 29
+
9 29
=
13 29
12
9 20
+
8 20
=
17 20
13
8 12
+
1 12
=
9 12
8
+
1
=
3 4
14
1 40
+
9 40
=
10 40
1
+
9
=
1 4
15
9 21
+
2 21
=
11 21