Ответы 1
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S(NMC)/S(FER) =(NM/FE)^2 =49/36
S(NMC) -S(FER) =26
49t -36t =26 <=> 13t=26 <=> t=2
S(NMC)=49t =98
S(FER)=36t =72
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Автор:
anabellahester - 5 лет назад
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