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MisterP
@MisterP
July 2022
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Упростите и найдите значение выражения:
-5(3.1q-2.5)+11.3q-4 при q=-2/7
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prettypushkova
Verified answer
= - 15,5q + 12,5 + 11,3q - 4 = - (15,5q - 11.3q) + (12,5 - 4) =
= - 4,2q + 8,5
при q = - 2/7
- 4,2 * (-2) : 7 + 8,5 = 1,2 + 8,5 = 9,7
Ответ: 9,7.
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Answers & Comments
Verified answer
= - 15,5q + 12,5 + 11,3q - 4 = - (15,5q - 11.3q) + (12,5 - 4) == - 4,2q + 8,5
при q = - 2/7
- 4,2 * (-2) : 7 + 8,5 = 1,2 + 8,5 = 9,7
Ответ: 9,7.