Предмет: Математика, автор: olyasuper2003

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390/(4х+3)=26 594/(8х-55)=18

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Автор ответа: tanya2512
0
1) 390=26(4х+3); 390-78=104х; х=312:104=3. 2) 594=18(8х-55); 594+990=144х; х=1584:144=11.
Автор ответа: ПростоЛёка
0
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