问题 解答题
8
4
25
-3.875-2
1
8
-1.16
答案

8

4
25
-3.875-2
1
8
-1.16,

=8.16-3.875-2.125-1.16,

=(8.16-1.16)-(3.875+2.125),

=7-6,

=1.

问答题
填空题