问题 解答题
直接写得数.
3
5
+
1
5
=
1
5
-
1
6
=
1
21
+
1
7
=
2
3
+
1
4
=
5
8
-
11
24
=
7
9
-
2
9
=
7
8
+
1
8
=
5
9
-
1
3
=
3
4
-
2
5
=
1
2
+
2
3
=
答案

3
5
+
1
5
=
4
5
1
5
-
1
6
=
1
30
1
21
+
1
7
=
4
21
2
3
+
1
4
=
11
12
5
8
-
11
24
=
1
6
7
9
-
2
9
=
5
9
7
8
+
1
8
=1,
5
9
-
1
3
=
2
9
3
4
-
2
5
=
7
20
1
2
+
2
3
=
7
6
故答案为:
4
5
1
30
4
21
11
12
1
6
5
9
,1,
2
9
7
20
7
6

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