问题
选择题
计算(0.04)2009×[(-5)2009]2得( )
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答案
(0.04)2009×[(-5)2009]2
=(0.04)2009×(-5)2009×2
=(0.04)2009×[(-5)2]2009
=(0.04)2009×252009
=(0.04×25)2009
=12009
=1.
故选A.
计算(0.04)2009×[(-5)2009]2得( )
|
(0.04)2009×[(-5)2009]2
=(0.04)2009×(-5)2009×2
=(0.04)2009×[(-5)2]2009
=(0.04)2009×252009
=(0.04×25)2009
=12009
=1.
故选A.