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123nikita123pro123
@123nikita123pro123
July 2022
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Срочно надо !!! Алгебра 7 класс (Даю много БАЛЛОВ) ТОЛЬКО В КВАДРАТНЫХ СКОБКАХ !!!
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egeniyegorov1
1)5/а-а/(4-а)*((4-а)(4+а))/а²=5/а-(4+а)/а=(5-4-а)/а=(1-а)/а
2)((x+7y)²/(x-7y)(x+7y))*(3(7y-x)/(7x(x+7y)))=-3/7x=-3/(7*9)=-1/21
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Answers & Comments
2)((x+7y)²/(x-7y)(x+7y))*(3(7y-x)/(7x(x+7y)))=-3/7x=-3/(7*9)=-1/21