Предмет: Математика, автор: daniltakewondo

напишите три значное числа a чтобы НОК (а,13)=а

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Автор ответа: tausinv

В качестве числа а подойдет любое простое трехзначное число, например, 607

Автор ответа: daniltakewondo

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3sin^2(2x)-2=sin2xcos2x
я вообщем разделила на косинус и получила
3tg^2(2x) - tg2x - 2=0
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посмотрела ответ в учебнике, неправильно...
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