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분수: 분모 2자리 덧셈3분수7

1
3 70
+
4 70
=
7 70
3
+
4
=
1 10
2
4 31
+
1 31
=
5 31
3
1 84
+
7 84
=
8 84
1
+
7
=
2 21
4
7 64
+
6 64
=
13 64
5
6 38
+
2 38
=
8 38
6
+
2
=
4 19
6
2 96
+
3 96
=
5 96
7
3 96
+
4 96
=
7 96
8
4 85
+
1 85
=
5 85
4
+
1
=
1 17
9
1 39
+
8 39
=
9 39
1
+
8
=
3 13
10
8 22
+
6 22
=
14 22
8
+
6
=
7 11
11
6 43
+
3 43
=
9 43
12
3 54
+
8 54
=
11 54
13
8 51
+
5 51
=
13 51
14
5 20
+
3 20
=
8 20
5
+
3
=
2 5
15
1 43
+
4 43
=
5 43