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분수: 분모 2자리 덧셈7분수7

1
7 74
+
8 74
=
15 74
2
8 40
+
3 40
=
11 40
3
3 36
+
1 36
=
4 36
3
+
1
=
1 9
4
1 10
+
2 10
=
3 10
5
2 40
+
3 40
=
5 40
2
+
3
=
1 8
6
3 17
+
2 17
=
5 17
7
2 25
+
1 25
=
3 25
8
1 53
+
6 53
=
7 53
9
6 51
+
4 51
=
10 51
10
4 63
+
1 63
=
5 63
11
1 52
+
5 52
=
6 52
1
+
5
=
3 26
12
5 52
+
7 52
=
12 52
5
+
7
=
3 13
13
7 12
+
6 12
=
13 12
14
6 41
+
5 41
=
11 41
15
5 22
+
4 22
=
9 22