问题 解答题
脱式计算.(能简算的要简算)
9
16
×
1
3
×
4
5
36×(
1
4
-
2
9
1÷(
1
6
+
2
3
7
9
÷
8
11
+
4
9
×
11
8
5
6
×0.125÷
7
24
1
2
÷[(
1
3
+
1
4
)÷
7
5
].
答案

(1)

9
16
×
1
3
×
4
5

=

3
16
×
4
5

=

3
20

(2)36×(

1
4
-
2
9

=36×

1
4
-
2
9
×36

=9-8

=1

(3)1÷(

1
6
+
2
3

=1÷

5
6

=

6
5

(4)

7
9
÷
8
11
+
4
9
×
11
8

=

7
9
×
11
8
+
4
9
×
11
8

=(

7
9
+
4
9
)×
11
8

=

11
9
×
11
8

=

121
72

(5)

5
6
×0.125÷
7
24

=

5
6
×
1
8
×
24
7

=

5
14

(6)

1
2
÷[(
1
3
+
1
4
)÷
7
5
]

=

1
2
÷[
7
12
×
5
7
]

=

1
2
÷
5
12

=

1
2
×
12
5

=

6
5

判断题
单项选择题 A型题