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분수: 분모 2자리 덧셈4분수8

1
4 87
+
2 87
=
6 87
4
+
2
=
2 29
2
2 57
+
7 57
=
9 57
2
+
7
=
3 19
3
7 82
+
4 82
=
11 82
4
4 23
+
5 23
=
9 23
5
5 10
+
4 10
=
9 10
6
4 56
+
1 56
=
5 56
7
1 29
+
7 29
=
8 29
8
7 52
+
5 52
=
12 52
7
+
5
=
3 13
9
5 48
+
3 48
=
8 48
5
+
3
=
1 6
10
3 25
+
9 25
=
12 25
11
9 71
+
7 71
=
16 71
12
7 51
+
6 51
=
13 51
13
6 30
+
5 30
=
11 30
14
5 17
+
8 17
=
13 17
15
8 74
+
9 74
=
17 74