问题 解答题
计算下面各题.
49200÷24-15672-
9
10
×
4
15
)÷
11
10
5
6
×
8
15
-
3
20
÷
9
10
13
12
-
5
6
)÷(
3
8
+
1
6
5
6
-
8
15
×(
2
3
-
1
4
9
10
÷[
1
2
×(
6
5
-
3
10
)].
答案

(1)49200÷24-1567,

=2050-1567,

=483;

(2)(2-

9
10
×
4
15
)÷
11
10

=(2-

6
25
)÷
11
10

=1

19
25
÷
11
10

=

8
5

(3)

5
6
×
8
15
-
3
20
÷
9
10

=

4
9
-
1
6

=

5
18

(4)(

13
12
-
5
6
)÷(
3
8
+
1
6
),

=

1
4
÷
13
24

=

6
13

(5)

5
6
-
8
15
×(
2
3
-
1
4
),

=

5
6
-
8
15
×
5
12

=

5
6
-
2
9

=

11
18

(6)

9
10
÷[
1
2
×(
6
5
-
3
10
)],

=

9
10
÷[
1
2
×
9
10
],

=

9
10
÷
9
20

=2.

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