问题 解答题
5
6
-
7
10
×
2
7
35÷(
6
5
÷
3
7
11
8
×5-
3
8
×5
4
7
×
1
8
+
3
10
÷
2
5
答案

(1)

5
6
-
7
10
×
2
7

=

5
6
-
1
5

=

19
30

(2)35÷(

6
5
÷
3
7
),

=35÷

14
5

=

25
2

(3)

11
8
×5-
3
8
×5,

=(

11
8
-
3
8
)×5,

=1×5,

=5;

(4)

4
7
×
1
8
+
3
10
÷
2
5

=

1
14
+
3
4

=

23
28

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