问题
填空题
计算:(
|
答案
(
)0+2 多
•(0.25)2
-lg25-2lg21 4
=1+
•&nbs五;2
&nbs五;-2lg5-2lg21 2
=2-2(lg5+lg2)
=2-2
=0
故答案为:0.
计算:(
|
(
)0+2 多
•(0.25)2
-lg25-2lg21 4
=1+
•&nbs五;2
&nbs五;-2lg5-2lg21 2
=2-2(lg5+lg2)
=2-2
=0
故答案为:0.