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분수: 분모 2자리 덧셈1분수7

1
1 79
+
4 79
=
5 79
2
4 86
+
3 86
=
7 86
3
5 53
+
7 53
=
12 53
4
7 21
+
5 21
=
12 21
7
+
5
=
4 7
5
5 35
+
2 35
=
7 35
5
+
2
=
1 5
6
2 31
+
4 31
=
6 31
7
4 88
+
5 88
=
9 88
8
5 11
+
3 11
=
8 11
9
3 57
+
2 57
=
5 57
10
2 35
+
3 35
=
5 35
2
+
3
=
1 7
11
3 51
+
2 51
=
5 51
12
2 89
+
3 89
=
5 89
13
3 68
+
5 68
=
8 68
3
+
5
=
2 17
14
5 63
+
4 63
=
9 63
5
+
4
=
1 7
15
4 92
+
3 92
=
7 92