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분수: 분모 2자리 덧셈4분수9

1
4 91
+
3 91
=
7 91
4
+
3
=
1 13
2
6 53
+
7 53
=
13 53
3
7 83
+
6 83
=
13 83
4
6 45
+
2 45
=
8 45
5
2 72
+
8 72
=
10 72
2
+
8
=
5 36
6
8 65
+
4 65
=
12 65
7
4 16
+
3 16
=
7 16
8
3 47
+
6 47
=
9 47
9
6 25
+
8 25
=
14 25
10
8 51
+
3 51
=
11 51
11
3 32
+
7 32
=
10 32
3
+
7
=
5 16
12
7 91
+
9 91
=
16 91
13
9 21
+
8 21
=
17 21
14
8 12
+
7 12
=
15 12
8
+
7
=
5 4
15
7 57
+
2 57
=
9 57
7
+
2
=
3 19