Предмет: Математика, автор: НинусикК

решите, срочно)) нужно сейчас)) заранее спасибо))

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Автор ответа: Никита6Игошкин

1)L1=8,2 м;
L2=8,2*2,5=20,5 м;
L3=8,2*0,5=4,1 м ;
2)Vвоздуха=L1*L2*L3=8,2*20,5*4,1=689,21 метр в кубе;
3)689,21*1,3=895,973 (кг)

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