maksbaduk
30.10.2021 22:10
Алгебра
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Катер007
4,8(13 оценок)

10х+5у-25=0 10•0+5у-25=0 0+5у-25=0 5у-25=0 5у=0+25 5у=25 у=25: 5 у=5. ответ: 5.

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