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15x^2-8x^2+1=0
как называется тема-
Предмет:
Математика -
Автор:
travis - 5 лет назад
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Ответы 2
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x - любое? неверно, x - нет действительных корней
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Автор:
makenzie2onm - 5 лет назад
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0
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это квадратные уравнения
ответ нет решений
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Автор:
trappertuap - 5 лет назад
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0
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1. Rewrite these sentences using the Future Perfect Passive: 1) The students will have finished the test by the end of the second lesson. 2) I will have had lunch by 2 o'clock p.m. 3) We will have built a new house by the end of winter. 4) I will have learnt two foreign languages by the end of the University course. 5) They will have prepared all your papers by 9 o'clock on Wednesday. 6) They will have held twenty games by the end of the tournament. 7) The organizers will have exhibited the paintings in five cities by the end of the year. 8) She will have sold a hundred tickets by 10 o'clock tomorrow. 9) They will have planted all the trees by the middle of autumn. 10) The pupils will have read ten pages of the text by the end of the lesson.
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