问题 解答题
计算下面各题.
4
7
-
5
6
÷
5
3
2
9
×
3
7
+
5
9
×
3
7
5
6
÷(
1
12
+
1
8
)
(
1
5
+
2
3
-
4
15
)×15
(
13
14
+
5
7
13
14
8
9
÷
5
6
×
3
16
答案

(1)

4
7
-
5
6
÷
5
3

=

4
7
-
1
2

=

1
14

(2)

2
9
×
3
7
+
5
9
×
3
7

=(

2
9
+
5
9
)×
3
7

=

7
9
×
3
7

=

1
3

(3)

5
6
÷(
1
12
+
1
8

=

5
6
÷
5
24

=4;

(4)(

1
5
+
2
3
-
4
15
)×15

=

1
5
×15+
2
3
×15-
4
15
×15

=3+10-12

=1;

(5)(

13
14
+
5
7
÷
13
14

=

13
14
×
14
13
+
5
7
×
14
13

=1+

10
13

=1

10
13

(6)

8
9
÷
5
6
×
3
16

=

8
9
×
3
16
÷
5
6

=

1
6
÷
5
6

=

1
5

单项选择题
单项选择题