题目内容

计算
15
16
×
4
35
=
8
13
÷
4
39
=
4
9
×
3
16
×
6
7
3
4
÷6÷
7
8
6
7
÷
6
7
×
7
8
15×
4
5
÷
6
7
5
4
×
1
8
×16
5
9
÷
5
4
÷
4
5
(1)
15
16
×
4
35
=
3
28

(2)
8
13
÷
4
39
=
8
13
×
39
4
=6;
(3)
4
9
×
3
16
×
6
7
=
1
14

(4)
3
4
÷6÷
7
8
=
3
4
×
1
6
×
8
7
=
1
7

(5)
6
7
÷
6
7
×
7
8
=
6
7
×
7
6
×
7
8
=
7
8

(6)15×
4
5
÷
6
7
=15×
4
5
×
7
6
=14;
(7)
5
4
×
1
8
×16=
5
2
=2
1
2

(8)
5
9
÷
5
4
÷
4
5
=
5
9
×
4
5
×
5
4
=
5
9
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