题目内容

计算:
(1)18-6÷(-2)×(-
1
3
)

(2)
2
3
-
1
8
-(-
1
3
)+(-
3
8
)

(3)(
1
2
-
5
9
+
5
6
-
7
12
)
×(-36)
(4)-14÷(-5)2×(-
5
3
)+|0.8-1|
(1)18-6÷(-2)×(-
1
3
)

=18-3×
1
3

=18-1
=17;

(2)
2
3
-
1
8
-(-
1
3
)+(-
3
8
)

=(
2
3
+
1
3
)-(
1
8
+
3
8

=1-
1
2

=
1
2


(3)(
1
2
-
5
9
+
5
6
-
7
12
)
×(-36)
=
1
2
×(-36)-
5
9
×(-36)+
5
6
×(-36)-
7
12
×(-36)
=-18+20-30+21
=-7;

(4)-14÷(-5)2×(-
5
3
)+|0.8-1|

=-1÷25×(-
5
3
)+
1
5

=
1
15
+
1
5

=
4
15
练习册系列答案
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网