Автор - polins1874

Помогите пожалуйста!!!! ​

Ответ

Автор - сок111213

 (frac{2x {}^{2} }{y {}^{3} } ) {}^{ - 1} ( {x}^{ - 1} y) {}^{3}  =  frac{y {}^{3} }{2x {}^{2} }  times x {}^{ - 3} y {}^{3}  =  frac{y {}^{3}  times  y {}^{3}  }{2x {}^{5} }  =  frac{y {}^{6} }{2x {}^{5} }

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