Предмет: Математика, автор: kotik4457

ПОМОГИТЕ ПОЖАЛУЙСТА​

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Ответы

Автор ответа: albert555112
1

Ответ:

2) 1/3

3) S= pi*r² = 3.14 * 17² = 907.46 см²

L = 2pi*r = 6.28 * 17 = 106.76 см

4) 3.8x - 1.6x = 2.3 + 2.1

2.2x = 4.4

x = 2

kotik4457: Спосибо,Добрый чайловек
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