题目内容
(1)计算:|3-
|-
+(
)0
(2)计算:|-2|+(
)-1×(π-
)0-
+(-1)2.
| 3 |
| 16 |
| 1 |
| 3 |
(2)计算:|-2|+(
| 1 |
| 3 |
| 2 |
| 9 |
(1)原式=3-
-4+1
=-
;
(2)原式=2+3×1-3+1
=2+3-3+1
=3.
| 3 |
=-
| 3 |
(2)原式=2+3×1-3+1
=2+3-3+1
=3.
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| 3 |
| 16 |
| 1 |
| 3 |
| 1 |
| 3 |
| 2 |
| 9 |
| 3 |
| 3 |