题目内容
求下列各式的值
(1)
(2)-
(3)-
(4)-
.
(1)
3 | -0.064 |
(2)-
3 | (x-1)3 |
(3)-
3 | -2+
| ||
(4)-
|
(1)
=-0.4;
(2)-
=-(x-1)=1-x;
(3)-
=-
=-
;
(4)-
=-
.
3 | -0.064 |
(2)-
3 | (x-1)3 |
(3)-
3 | -2+
| ||
3 |
| ||
5 |
4 |
(4)-
|
13 |
20 |
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