问题
选择题
计算(-0.25)2008×42008的结果是( )
A.-1
B.1
C.0.25
D.44016
答案
(-0.25)2008×42008,
=(-0.25×4)2008,
=(-1)2008,
=1.
故选B.
计算(-0.25)2008×42008的结果是( )
A.-1
B.1
C.0.25
D.44016
(-0.25)2008×42008,
=(-0.25×4)2008,
=(-1)2008,
=1.
故选B.