填写结果-1
另外你的14题应该写2
原式=-9^1009 × [3^(-1)]^2018
=-(3²)^1009 × 3^(-2018)
=-3^2018 × 3^(-2018)
=-3^(2018-2018)
=-3º
=-1
=(-1)^1009×9^1009×(1/3)^2018
=-1×3^2018×3^(-2018)
=-3^(2018-2018)
=-3^0
=-1
解,(-9)^1009x(1/3)^2019
=-9^1009x3^(-2019)
=-3^2x1009x3^(-2019)
=-1/3