问题 解答题
计算下面各题.
(5.6-4.8)×13
2
3
-
1
2
+
5
6
3
4
-
2
5
×
3
8
32×(
3
8
+
3
4
1
2
-
1
3
)÷
2
5
-
1
6
5
6
÷[(
5
6
-
2
9
)×
3
11
].
答案

(1)(5.6-4.8)×13

=0.8×13

=10.4;

(2)

2
3
-
1
2
+
5
6

=

4
6
-
3
6
+
5
6

=1;

(3)

3
4
-
2
5
×
3
8

=

3
4
-
3
20

=

3
5

(4)32×(

3
8
+
3
4

=32×

3
8
+32×
3
4

=12+24

=36;

(5)(

1
2
-
1
3
)÷
2
5
-
1
6

=

1
6
÷
2
5
-
1
6

=

5
12
-
1
6

=

1
4

(6)

5
6
÷[(
5
6
-
2
9
)×
3
11
]

=

5
6
÷[
11
18
×
3
11
]

=

5
6
÷
1
6

=5.

问答题 简答题
单项选择题