Автор - majerm001

1 и 2 задание, срочно!!!!​

Ответ

Автор - natalya128zz

Ответ:

Объяснение:

frac{a^3b}{c^5} frac{c^4}{a^2b} =frac{a}{c}

frac{100-y&2}{21xy} frac{28y^2}{y^2+20y+100} = frac{4y(10-y)}{3x(10+y)}

frac{(a+b)^2}{a^3+a^2b} frac{ab^2+b^3}{4a+4b} = frac{b^2(a+b)}{4a^2}

frac{a^2b^4}{m^3} : frac{a^3b^2}{m^2} =frac{a^2b^4}{m^3} frac{m^2}{a^3b^2} = frac{b^2}{am}

frac{a^2-ab}{a^2+ab} :frac{9a-9b}{10(a-b)} =frac{10}{9}

frac{36b^2c}{a^2+14a+49}:frac{18bc^2}{a^2-49} =frac{7(a-7)}{3(a+7)}

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