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분수: 분모 2자리 덧셈1분수7

1
1 75
+
2 75
=
3 75
1
+
2
=
1 25
2
2 18
+
5 18
=
7 18
3
5 47
+
4 47
=
9 47
4
3 42
+
7 42
=
10 42
3
+
7
=
5 21
5
7 28
+
9 28
=
16 28
7
+
9
=
4 7
6
9 22
+
3 22
=
12 22
9
+
3
=
6 11
7
3 25
+
5 25
=
8 25
8
5 46
+
3 46
=
8 46
5
+
3
=
4 23
9
3 60
+
7 60
=
10 60
3
+
7
=
1 6
10
7 60
+
9 60
=
16 60
7
+
9
=
4 15
11
9 55
+
3 55
=
12 55
12
3 57
+
2 57
=
5 57
13
2 14
+
6 14
=
8 14
2
+
6
=
4 7
14
6 38
+
8 38
=
14 38
6
+
8
=
7 19
15
8 36
+
1 36
=
9 36
8
+
1
=
1 4