Найдите m^2/a^2+n^2/b^2+p^2/c^2, если a/m+b/n+c/p=0 и m/a+n/b+p/c=1
Формула квадрата суммы трёх чисел.
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Valery Volkov
@arinablog наш семейный канал
Почта: uroki64@
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