题目内容

直接写得数.
5
6
+
5
6
=
5
17
+
7
17
=
1-
2
7
=
7
16
-
5
16
=
19
91
-
12
91
=
7
13
+
6
13
=
19
17
-1=
7
16
-
3
16
=
3-1
1
7
=
7
5
+
6
5
=
5
6
+
5
6
=
5
3
;              
5
17
+
7
17
=
12
17
;             1-
2
7
=
5
7
;          
7
16
-
5
16
=
1
8


19
91
-
12
91
=
1
13
;               
7
13
+
6
13
=1;               
19
17
-1=
2
17
;         
7
16
-
3
16
=
1
4


3-1
1
7
=1
6
7
;                 
7
5
+
6
5
=
13
5
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