题目内容
计算:
(1)
-2
+
;
(2)(-
)0+(
)-1+
+
.
(1)
| 32 |
|
| 0.5 |
(2)(-
| 1 |
| 2 |
| ||
| 2 |
| 2 | ||
|
(
|
(1)原式=4
-2×
+
=4
;
(2)原式=1+
+(
+1)+2-
=4+
.
| 2 |
| ||
| 4 |
| ||
| 2 |
| 2 |
(2)原式=1+
| 2 |
| 3 |
| 3 |
| 2 |
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题目内容
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(
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