题目内容
计算:
(1)
=______;
(2)1.10+
-0.5-2+lg25+2lg2=______.
(1)
| (3-π)2 |
(2)1.10+
| 3 | 64 |
(1)∵3<π,
∴
=|3-π|=π-3.
故答案为:π-3.
(2)1.10+
-0.5-2+lg25+2lg2
=1+4-
+lg100
=5-4+2
=3.
故答案为:3.
∴
| (3-π)2 |
故答案为:π-3.
(2)1.10+
| 3 | 64 |
=1+4-
| 1 | ||
(
|
=5-4+2
=3.
故答案为:3.
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