(-3/2)^2010x(2/3)^2009 (-2)^2009+2^2010
问题描述:
(-3/2)^2010x(2/3)^2009 (-2)^2009+2^2010
虽然已做,但不肯定……
问题连在一起了…… 是(-2)^2009+2^2010和(-3/2)^2010x(2/3)^2009
答
(-2)^2009+2^2010
=-2^2009+2x2^2009
=2^2009
(-3/2)^2010x(2/3)^2009
=-3/2x(3/2)^2009x(2/3)^2009
=-3/2x(3/2x2/3)^2009
=-3/2x(1)^2009
=-3/2