问题 解答题
能简算的要简算
1150-768÷32
5
8
×
11
10
+
3
8
÷
10
11
1-
5
8
÷
25
28
-
3
10
12
7
-(
1
3
÷
7
15
+
4
13
2
5
+
3
5
÷
3
8
11
18
÷〔2-(
1
4
+
5
6
)〕
答案

(1)1150-768÷32,

=1150-24,

=1126;

(2)

5
8
×
11
10
+
3
8
÷
10
11

=

5
8
×
11
10
+
3
8
×
11
10

=(

5
8
+
3
8
)×
11
10

=1×

11
10

=

10
11

(3)1-

5
8
÷
25
28
-
3
10

=1-

7
10
-
3
10

=1-(

7
10
+
3
10
),

=1-1,

=0;

(4)

12
7
-(
1
3
÷
7
15
+
4
13
),

=

12
7
-(
5
7
+
4
13
),

=

12
7
-
5
7
-
4
13

=1-

4
13

=

9
13

(5)

2
5
+
3
5
÷
3
8

=

2
5
+
8
5

=2;

(6)

11
18
÷〔2-(
1
4
+
5
6
)〕,

=

11
18
÷〔2-
13
12
〕,

=

11
18
÷
11
12

=

2
3

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