题目内容
计算:(
)0+
•(0.25)
-lg25-2lg2=______.(化到最简答案)
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(
)0+
•(0.25)
-lg25-2lg2
=1+
•
-2lg5-2lg2
=2-2(lg5+lg2)
=2-2
=0
故答案为:0.
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=1+
| 2 |
|
=2-2(lg5+lg2)
=2-2
=0
故答案为:0.
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