题目内容

7
13
×
3
4
+
3
4
×
6
13
         
3
7
÷
7
11
+
4
7
÷
7
11
12
7
÷(
2
3
-
1
4
5
9
+
5
9
÷
5
3
16
5
×
1
2
÷
2
5
        
⑥36×(
7
9
+
5
6
)÷
29
5
7
13
×
3
4
+
3
4
×
6
13
 
=
3
4
×(
7
13
+
6
13

=
3
4
×1
=
3
4
;       

5
9
+
5
9
÷
5
3

=
5
9
+
5
9
×
3
5

=
5
9
×(1+
3
5

=
5
9
×
8
5

=
8
9
   
3
7
÷
7
11
+
4
7
÷
7
11

=
3
7
×
11
7
+
4
7
×
11
7

=
11
7
×(
3
7
+
4
7

=
11
7
×1
=1
4
7

16
5
×
1
2
÷
2
5
 
=
16
2
×
1
2
×
5
2

=10;
12
7
÷(
2
3
-
1
4

=
12
7
÷(
8
12
-
3
12

=
12
7
÷
5
12

=
12
7
×
12
5

=
144
35

=4
4
35

⑥36×(
7
9
+
5
6
)÷
29
5

=36×(
14
18
+
15
18
)×
5
29

=36×
29
18
×
5
29

=10.
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