Предмет: Алгебра, автор: olesyabakusho

три икс в квадрате минус семь икс плюс четыре равно
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Ответы

Автор ответа: selmash21
6
3х²-7х+4=0
д=49-4*3*4=1
х1=(7-1)/2*3=1
х2=(7+1)/2*3=4/3=1 1/3
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