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분수: 분모 2자리 덧셈1분수7

1
7 31
+
1 31
=
8 31
2
6 30
+
1 30
=
7 30
3
1 34
+
3 34
=
4 34
1
+
3
=
2 17
4
3 91
+
5 91
=
8 91
5
5 66
+
4 66
=
9 66
5
+
4
=
3 22
6
4 81
+
2 81
=
6 81
4
+
2
=
2 27
7
2 12
+
3 12
=
5 12
8
9 63
+
2 63
=
11 63
9
2 25
+
1 25
=
3 25
10
1 27
+
4 27
=
5 27
11
3 34
+
4 34
=
7 34
12
4 80
+
2 80
=
6 80
4
+
2
=
3 40
13
4 12
+
6 12
=
10 12
4
+
6
=
5 6
14
6 19
+
5 19
=
11 19
15
5 20
+
1 20
=
6 20
5
+
1
=
3 10