问题 填空题
(-4)2
=______; 
8
3
=______;
(2-
5
)2
=______.
3
-2
的相反数是______,倒数是______,绝对值是______.
答案

(-4)2
=
42
=4;

8
3
=
4×6
3×3
=
2
6
3

(2-
5
)2
=
(
5
-2)2
=
5
-2;

3
-2的相反数为-(
3
-2)=-
3
+2;倒数为
1
3
-2
=-
2+
3
(2-
3
)(2+
3
)
=-2-
3
;|
3
-2|=-(
3
-2)=2-
3

故答案为4,

2
6
3
5
-2,2-
3
,-2-
3
,2-
3

单项选择题
单项选择题