问题 解答题
脱式计算(能简算的要简算)
44
9
×
3
8
×
6
11
3
4
+
3
4
÷
1
7
35×(
4
7
-
2
5
4
5
÷(3-
4
11
-
7
11
(0.75-
3
16
)×(
2
9
+
1
3
6
7
-
6
7
÷6.
答案

(1)

44
9
×
3
8
×
6
11

=

44
9
×
6
11
×
3
8

=

8
3
×
3
8

=1;

(2)5×

3
4
+
3
4
÷
1
7

=

3
4
×(5+7)

=

3
4
×12

=9;

(3)35×(

4
7
-
2
5

=35×

4
7
-35×
2
5

=20-14

=6;

(4)

4
5
÷(3-
4
11
-
7
11

=

4
5
÷[3-(
4
11
+
7
11
)]

=

4
5
÷[3-1]

=

4
5
÷2

=

2
5

(5)(0.75-

3
16
)×(
2
9
+
1
3

=

9
16
×
5
9

=

5
16

(6)6÷

6
7
-
6
7
÷6

=7-

1
7

=6

6
7

单项选择题
名词解释