题目内容
(2
)0.5+0.1-2+(2
)-
(2
)-3π0+
=
| 7 |
| 9 |
| 10 |
| 27 |
| 2 |
| 3 |
| 10 |
| 27 |
| 37 |
| 48 |
100
100
.分析:通过变代分数为假分数,分数指数幂为根式化简求值.
解答:解:(2
)0.5+0.1-2+(2
)-
(2
)-3π0+
=
+
+(
)
•
-3+
=
+100+
-3+
=100.
故答案为100.
| 7 |
| 9 |
| 10 |
| 27 |
| 2 |
| 3 |
| 10 |
| 27 |
| 37 |
| 48 |
=
|
| 1 |
| 0.12 |
| 64 |
| 27 |
| 1 |
| 3 |
| 64 |
| 27 |
| 37 |
| 48 |
=
| 5 |
| 3 |
| 128 |
| 81 |
| 37 |
| 48 |
=100.
故答案为100.
点评:本题考查有理指数幂的化简求值,是基础题.
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