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분수: 분모 2자리 덧셈2분수4

1
2 41
+
1 41
=
3 41
2
1 66
+
2 66
=
3 66
1
+
2
=
1 22
3
2 54
+
4 54
=
6 54
2
+
4
=
1 9
4
4 90
+
1 90
=
5 90
4
+
1
=
1 18
5
1 29
+
4 29
=
5 29
6
8 43
+
5 43
=
13 43
7
5 28
+
1 28
=
6 28
5
+
1
=
3 14
8
1 33
+
3 33
=
4 33
9
3 43
+
4 43
=
7 43
10
4 28
+
3 28
=
7 28
4
+
3
=
1 4
11
3 64
+
9 64
=
12 64
3
+
9
=
3 16
12
9 43
+
1 43
=
10 43
13
1 31
+
3 31
=
4 31
14
2 53
+
7 53
=
9 53
15
7 15
+
8 15
=
15 15
7
+
8
=
1 1