-1² X (-3)²-(-½)【2003次方】 X (-2)【2002次方】 ÷ 九分之二
=-1X9-(-1/2)X(-1/2X2)^2002X9/2
=-9+1/2X(-1)^2009X9/2
=-9+1/2X9/2
=-9+9/4
=-27/4
-1² X (-3)²-(-½)【2003次方】 X (-2)【2002次方】 ÷ 九分之二
=-1X9-(-1/2)X(-1/2X2)^2002X9/2
=-9+1/2X(-1)^2009X9/2
=-9+1/2X9/2
=-9+9/4
=-27/4