问题 填空题
9
=______;
1
11
25
=______;
0.04
=______;
(-2)2
=______.
答案

9
=3;

1
11
25
=
36
25
=
6
5

0.04
=0.2;

(-2)2
=
22
=2.

故答案为:3;

6
5
;0.2;2.

判断题
单项选择题