Предмет: Химия, автор: смёне

как посчитать сумму коэффициентов

Ответы

Автор ответа: emha65

0

2x^2+7x+5=0
коэффиценты-числа
сумма крэффицентов - их сумма
2+7+5=14
вроде так

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