问题 解答题
3
4
+
3
4
=
1
2
+
1
3
=
5
6
-
2
3
=
④2-
5
11
=
7
12
+
1
6
=
1
3
+
3
8
=
答案

3
4
+
3
4
=
3
2
1
2
+
1
3
=
5
6
5
6
-
2
3
=
1
6
④2-
5
11
=1
6
11
7
12
+
1
6
=
3
4
1
3
+
3
8
=
17
24

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