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분수: 분모 2자리 덧셈1분수7

1
1 74
+
4 74
=
5 74
2
4 13
+
7 13
=
11 13
3
7 54
+
9 54
=
16 54
7
+
9
=
8 27
4
9 48
+
8 48
=
17 48
5
8 58
+
4 58
=
12 58
8
+
4
=
6 29
6
4 20
+
8 20
=
12 20
4
+
8
=
3 5
7
8 31
+
2 31
=
10 31
8
2 25
+
5 25
=
7 25
9
5 81
+
2 81
=
7 81
10
3 28
+
5 28
=
8 28
3
+
5
=
2 7
11
5 41
+
1 41
=
6 41
12
1 47
+
3 47
=
4 47
13
3 99
+
4 99
=
7 99
14
4 72
+
1 72
=
5 72
15
1 85
+
2 85
=
3 85