Briefly calculate 2005 power of 3+63 2004 power-3 2006 power Briefly calculate the 2005 power of 3+3 2004 power-3 2006 power

3^2005+6*3^2004-3^2006
=3^2005+2*3*3^2004-3*3^2005
=3^2005+2*3^2005-3*3^2005
=3*3^2005-3*3^2005
=0

Calculation:(-2) power of 2007(-1/2) power of 2008=?
[(-2)^2007][(-1/2)^2007]=[(-2)×(-1/2)]^2007=1^2007=1

Briefly calculate 2005 power of 3+6*3 2004 power-3 2006 power Briefly calculate the 2005 power of 3+*3 2004 power-3 2006 power