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분수: 분모 2자리 덧셈4분수4

1
4 42
+
7 42
=
11 42
2
7 42
+
9 42
=
16 42
7
+
9
=
8 21
3
9 19
+
4 19
=
13 19
4
5 44
+
2 44
=
7 44
5
2 49
+
5 49
=
7 49
2
+
5
=
1 7
6
5 45
+
4 45
=
9 45
5
+
4
=
1 5
7
4 67
+
2 67
=
6 67
8
2 89
+
6 89
=
8 89
9
6 47
+
4 47
=
10 47
10
4 17
+
5 17
=
9 17
11
5 93
+
2 93
=
7 93
12
2 33
+
7 33
=
9 33
2
+
7
=
3 11
13
7 65
+
3 65
=
10 65
7
+
3
=
2 13
14
3 54
+
4 54
=
7 54
15
4 22
+
6 22
=
10 22
4
+
6
=
5 11