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Автор - artemarehva

Сумма двух ликау́ 190 .А рознасць гэтых ликау́ 100 .Знайдите лики

Ответ

Автор - koshelev32

 begin{cases}x + y = 190  \ x - y = 100end{cases} \  begin{cases}x = 145  \ y = 45 end{cases}

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