Предмет: Математика, автор: kirillilin2008

Решите последние 2 пожалуйста

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Ответы

Автор ответа: axui648

Ответ:

пока что только 8 извини 8) x=7

Автор ответа: trava7355

9 номер
1)521*320=182720
2) 729*320=233280
3)182770+233280=416050
4) 41605-7539=408461
Альтернативный вид: 4,08461*10^5

trava7355: Там в первом действии 571, а не 521 (не туда тыкнул)
Решено все с 571

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