问题 解答题
计算下面各题.
7
5
×
3
14
×
10
27
12÷
8
9
×
8
15
21
24
÷
14
8
×
4
3
15
8
÷
6
25
÷
5
16
6
7
×42×
13
18
11
16
×
8
9
÷
44
27
答案

(1)

7
5
×
3
14
×
10
27

=

3
10
×
10
27

=

1
9

(2)12÷

8
9
×
8
15

=12×

9
8
×
8
15

=12×(

9
8
×
8
15
),

=12×

3
5

=

36
5

(3)

21
24
÷
14
8
×
4
3

=

21
24
×
8
14
×
4
3

=

1
2
×
4
3

=

2
3

(4)

15
8
÷
6
25
÷
5
16

=

15
8
×
16
5
×
25
6

=6×

25
6

=25;

(5)

6
7
×42×
13
18

=36×

13
18

=26;

(6)

11
16
×
8
9
÷
44
27

=

11
18
×
27
44

=

3
8

单项选择题 A1型题
多项选择题