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분수: 분모 2자리 덧셈4분수7

1
4 74
+
3 74
=
7 74
2
3 73
+
7 73
=
10 73
3
7 44
+
1 44
=
8 44
7
+
1
=
2 11
4
9 30
+
1 30
=
10 30
9
+
1
=
1 3
5
1 30
+
3 30
=
4 30
1
+
3
=
2 15
6
3 60
+
8 60
=
11 60
7
8 94
+
1 94
=
9 94
8
3 71
+
1 71
=
4 71
9
1 72
+
5 72
=
6 72
1
+
5
=
1 12
10
1 30
+
5 30
=
6 30
1
+
5
=
1 5
11
5 63
+
2 63
=
7 63
5
+
2
=
1 9
12
2 40
+
9 40
=
11 40
13
9 40
+
7 40
=
16 40
9
+
7
=
2 5
14
7 45
+
4 45
=
11 45
15
4 42
+
1 42
=
5 42