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порядок действий уравнения (7200-а×200)+2000=3400
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Предмет:
Математика -
Автор:
abel - 6 лет назад
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Ответы 1
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упрощаем уравнение, убираем лишнии нули, делим все уравнение на 100(72-а*2)+20=34раскрываем скобки, выкидываем все цыфры на право-а*2=34-20-72вычисляем правую сторону, умножаем все уравнение на -1а*2=58а=58/2=29
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Автор:
bravo - 6 лет назад
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