4的2005次方乘以0.25的2006次方?

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4的2005次方乘以0.25的2006次方?
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4的2005次方乘以0.25的2006次方?
4的2005次方乘以0.25的2006次方?

4的2005次方乘以0.25的2006次方?
4的2005次方乘以0.25的2006次方
=4的2005次方乘以0.25的2005次方×0.25
=0.25

(4^2005)×(0.25^2006)
=(4^2005)×(0.25^2005)×0.25
=[(4×0.25)^2005]×0.25
=(1^2005)×0.25
=1×0.25
=0.25