Предмет: Математика, автор: kote7625

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Автор ответа: abdunazarovadd

400 – 70 = 330 м ( в первый раз)
330-30 = 300 м ( во второй раз )
300+100= 400 м ( в последний раз )
Ответ: на высоте 400 м

kote7625: спасибо большо

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