Перейти к выбору ответа 12.04.2022Найдите сумму бесконечной геометрической прогрессии 8,2,1/2 Выбрать другой вопрос Смотреть ответ Перейти к выбору ответа Алгебра Ответ учителя по предмету Алгебра 2/8=1/4 знаменатель прогрессии S=8/(1-1/4)=8/(3/4)=8*4/3=32/3
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The steam was invented … James Watt, who worked … many years before he could make the instruments … which he perfected his machine. … first he worked … primitive tools so he could not make his engine well-regulated. The old machine was kept going … a boy who stood by it and let… the air… means of which the steam was condensed at every revolution. … this machine, though it was imperfect, some work was done and it had been used … a large mine-owner (шахтовладелец) to pump out the water. The first efficient steam-engine was made … a Birmingham firm and it was soon used…nearly every manufacturer. The revolution in industry made … this machine was extremely great.