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lija2
@lija2
July 2022
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Найдите a из пропорции: a+18/-2,73=-9/9,1
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potapov19461
Verified answer
(а+18)/(-2,73) = -9/9,1. В пропорции произведение крайних членов равно произведению средних .
(а+18)*9,1 = -2,73*(-9)
а+18 = 24,57/9,1
а+18= 2,7
а=2,7-18=-15,3.
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Verified answer
(а+18)/(-2,73) = -9/9,1. В пропорции произведение крайних членов равно произведению средних .(а+18)*9,1 = -2,73*(-9)
а+18 = 24,57/9,1
а+18= 2,7
а=2,7-18=-15,3.