komnata wrinoy 3.5 dlinoy 5.5 m posetili kover.mejdu kovrom i stenoy ostalac 60 ...

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komnata wrinoy 3.5 dlinoy 5.5 m posetili kover.mejdu kovrom i stenoy ostalac 60 cm kakaya chast komnati octaloc ne zakritom

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prettypushkova

Verified answer

1 м = 100 см
60 см = (60 : 100) м = 0,6 м
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1) 3,5 * 5,5 = 19,25 (кв.м) - площадь комнаты;
2) (3,5 - 0,6) * (5,5 - 0,6) = 2,9 * 4,9 = 14,21 (кв.м) - площадь ковра;
3) 19,25 - 14,21 = 5,04 (кв.м) - не застеленная часть комнаты;
4) 5,04 : 19,25 = (5,04*100)/(19,25*100) = 504/1925 = 72/275 - часть комнаты, не закрытая ковром.
Ответ: 72/275.

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elvinquliyev19 May 2023 | 0 Ответы

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