Не знаете как решить? X^4+x^2-20=0 - №14925161

Не знаете как решить?
X^4+x^2-20=0
- Предмет:
  Алгебра
- Автор:
  emmy16
- 6 лет назад

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Choose the appropriate forms of the verbs to complete the sentences.
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