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gyuue
@gyuue
July 2022
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помогите плиз
помогите пожалуйста
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seleznev11
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(19*√(13/19)-13*√(19/13)
)^2=(√19^2*13/19- √13^2*19/13)^2=(√361*13/19-√169*19/13)^2=(√247-√247)^2=0^2=0
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(19*√(13/19)-13*√(19/13))^2=(√19^2*13/19- √13^2*19/13)^2=(√361*13/19-√169*19/13)^2=(√247-√247)^2=0^2=0