October 2021 1 9 Report

Сократите дробь:( ^-это означает степень,/- дробная черта).
А)39x^3y/26x^2y^2
Б)3y/y^2-2y
В)3a-3b/a^2-b^2
Г)a^2-25/a^2-10a+25
Спасибо большое :-)

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