问题
选择题
计算(-0.25)2008•42009的结果为( )
|
答案
(-0.25)2008•42009
=(-
)2008•420091 4
=(
)2008•42008•41 4
=(
×4)2008•41 4
=1×4
=4.
故选:A.
计算(-0.25)2008•42009的结果为( )
|
(-0.25)2008•42009
=(-
)2008•420091 4
=(
)2008•42008•41 4
=(
×4)2008•41 4
=1×4
=4.
故选:A.