(-5/13)^2009乘(13/5)^2010
(-5/13)^2009 * (13/5)2009 * (13/5)
(-5/13 * 13/5)^2009 * (13/5)
(-1)^2009 * (13/5)
=-13/5
-8^2009乘(-0.125)^2010-(-0.125)^3乘2^6
=-8^2009 * (1/8)^2009 * (1/8) - (-1/8)^3 * 2^6
=-1/8 - (-1/8)^3 * 2^6
=-1/8 * (1-(1/8)^2 * 2^6)
=-1/8 * 0
=0