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Mathematics, 29.07.2019 14:30 eweqwoewoji

Which expression is equivalent to -9x^-1y^-9/-15^5y^-3 a.3/5x^5y^3 b.3/5x^6y^6 c.5/3x^5y^3 d.5/3x^6y^6

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Which expression is equivalent to -9x^-1y^-9/-15^5y^-3 a.3/5x^5y^3 b.3/5x^6y^6 c.5/3x^5y^3 d.5/3x^6y...
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