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분수: 분모 2자리 덧셈3분수2

1
3 28
+
1 28
=
4 28
3
+
1
=
1 7
2
1 33
+
8 33
=
9 33
1
+
8
=
3 11
3
4 48
+
2 48
=
6 48
4
+
2
=
1 8
4
2 43
+
7 43
=
9 43
5
7 17
+
2 17
=
9 17
6
5 92
+
1 92
=
6 92
5
+
1
=
3 46
7
2 11
+
7 11
=
9 11
8
7 53
+
8 53
=
15 53
9
8 71
+
3 71
=
11 71
10
3 43
+
9 43
=
12 43
11
9 12
+
3 12
=
12 12
9
+
3
=
1 1
12
3 23
+
5 23
=
8 23
13
5 47
+
6 47
=
11 47
14
6 25
+
7 25
=
13 25
15
7 11
+
4 11
=
11 11
7
+
4
=
1 1