问题 解答题
下面各题,怎样简便就怎样算.
5
6
÷
2
3
÷
5
6
3
4
×
5
6
+
3
4
×
1
6
7
8
×
5
7
×56
64÷
8
3
-0.6
1
4
÷(3-
5
13
-
8
13
)
(
5
6
-
2
3
9
10
答案

(1)

5
6
÷
2
3
÷
5
6

=

5
6
÷
5
6
÷
2
3

=1÷

2
3

=

3
2

(2)

3
4
×
5
6
+
3
4
×
1
6

=

3
4
×(
5
6
+
1
6
),

=

3
4

(3)

7
8
×
5
7
×56,

=

5
8
×56,

=35;

(4)64÷

8
3
-0.6,

=24-0.6,

=23.4;

(5)

1
4
÷(3-
5
13
-
8
13
),

=

1
4
÷[3-(
5
13
+
8
13
)],

=

1
4
÷[3-1],

=

1
4
÷2,

=

1
8

(6)(

5
6
-
2
3
9
10

=

1
6
×
9
10

=

3
20

判断题
单项选择题