题目内容

计算:
(1)3
1
2
-(-
1
3
)+(-
1
2
)+2
2
3

(2)-14-
1
6
×〔3-(-32)〕×(-2)
(3)(-
7
9
-
11
12
+
1
6
)×(-6)2
(4)-22-[2-(1+
1
3
×0.5)]÷[32-(-2)2].
(1)原式=3
1
2
+
1
3
-
1
2
+2
2
3

=3
1
2
-
1
2
+
1
3
+2
2
3

=3+3
=6;

(2)原式=-1-
1
6
×(3-9)×(-2)
=-1-
1
6
×(-6)×(-2)
=-1-2
=-3;

(3)原式=(-
7
9
-
11
12
+
1
6
)×36
=-
7
9
×36-
11
12
×36+
1
6
×36
=-28-33+6
=-61+6
=-55;

(4)原式=-4-[2-(1+
1
6
)]÷[9-4]
=-4-[2-1
1
6
]÷5
=-4-
5
6
×
1
5

=-4-
1
6

=-4
1
6
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