9的1007次方乘以负3分之1的2015次方等于多少
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9^1007 × (-1/3)^2015
=3^(2×1007) × (-1/3)^2015
=3^2014 × (-1/3)^2015
=[3×(-1/3)]^2014 × (-1/3)
=1 × (-1/3)
=-1/3
=3^(2×1007) × (-1/3)^2015
=3^2014 × (-1/3)^2015
=[3×(-1/3)]^2014 × (-1/3)
=1 × (-1/3)
=-1/3
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