题目内容
计算:
(1)
-(4
-
)
(2)
-(
)2+(π+
)0-
+|
-2|.
(1)
18 |
|
50 |
(2)
3 | ||
|
3 |
3 |
27 |
3 |
(1)原式=3
-4×
+5
=6
;
(2)原式=
-3+1-3
+2-
=-3
.
2 |
| ||
2 |
2 |
2 |
(2)原式=
3 |
3 |
3 |
3 |
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题目内容
18 |
|
50 |
3 | ||
|
3 |
3 |
27 |
3 |
2 |
| ||
2 |
2 |
2 |
3 |
3 |
3 |
3 |