一条计算题,请帮忙解答,计算过程要的-1²×(-3)²-(-½)²ºº³×(-2)²ºº²÷2/9

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一条计算题,请帮忙解答,计算过程要的
-1²×(-3)²-(-½)²ºº³×(-2)²ºº²÷2/9

-1²×(-3)²-(-½)²ºº³×(-2)²ºº²÷2/9
=-1X9-(-1/2)*(-1/2)^2002*(-2)^2002*9/2
=-9+1/2*9/2=-27/4