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분수: 분모 2자리 덧셈1분수7

1
1 74
+
3 74
=
4 74
1
+
3
=
2 37
2
3 12
+
4 12
=
7 12
3
4 68
+
1 68
=
5 68
4
1 52
+
2 52
=
3 52
5
2 59
+
6 59
=
8 59
6
6 42
+
9 42
=
15 42
6
+
9
=
5 14
7
9 17
+
5 17
=
14 17
8
5 61
+
3 61
=
8 61
9
3 45
+
4 45
=
7 45
10
4 10
+
6 10
=
10 10
4
+
6
=
1 1
11
6 26
+
2 26
=
8 26
6
+
2
=
4 13
12
2 20
+
5 20
=
7 20
13
5 75
+
4 75
=
9 75
5
+
4
=
3 25
14
4 27
+
2 27
=
6 27
4
+
2
=
2 9
15
2 64
+
3 64
=
5 64