Question

Сократите алгебраические дроби 18bc/24c 25a2y/15by 24a3/6ac 27x2y/21xy3 плизззз срочно!!!!

Answer 1

Условие можно прочитать по-разному:
$1) \frac{18bc}{24c} = \frac{3b*6c}{4*6c} = \frac{3b}{4} \\ \\ 2) \\ \frac{25a2y}{15by} = \frac{10a*5y}{3b*5y} = \frac{10a}{3b} \\ \\ \frac{25a^2y}{15by} = \frac{5a^2*5y}{3b*5y} = \frac{5a^2}{3b} \\ \\ 3) \\ \frac{24a2y}{6ac} = \frac{8y*6a}{c*6a} = \frac{8y}{c} \\ \\ \frac{24a^2y}{6ac} = \frac{4ay*6a}{c*6a} = \frac{4ay}{c} \\ \\ 4) \\ \frac{27x2y}{21xy3} = \frac{6*9xy}{7*9xy} = \frac{6}{7} \\ \\ \frac{27x^2y}{21xy^3} = \frac{9x*3xy}{7y^2*3xy} = \frac{9x}{7y^2}$