问题 解答题
直接写得数.
5
6
-
2
6
=
1
3
+
1
4
=
4
5
+
7
10
=
3
16
+
3
8
=
8
9
-
1
7
=
3
3
-
4
4
=
1
7
-
1
8
=
2
5
+
3
5
=
1-
2
3
=
5
8
-
7
12
=.
答案

5
6
-
2
6
=
1
2
1
3
+
1
4
=
7
12
4
5
+
7
10
=
3
2
3
16
+
3
8
=
9
16

8
9
-
1
7
=
47
63
3
3
-
4
4
=0;
1
7
-
1
8
=
1
56
2
5
+
3
5
=1;

1-

2
3
=
1
3
5
8
-
7
12
=
1
24

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