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Timoxa12345678
@Timoxa12345678
August 2022
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Скорей решите ПЖ ПЖ ПЖ!!!!
Упростите выражение -2(2,7x-1)-(6-3,4x)+8(0,4x-2) и вычислите его значение при x= -5/6
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svetazuna
-2(2,7х-1) - (6-3,4х) + 8(0,4х-2) =
-5,4х + 2 - 6 + 3,4х + 3,2х - 16
= 1,2х - 20,
при х = -5/6: 1,2 * (-5/6) - 20 = -12/10*5/6 - 20 = -1 - 20 = -
21
2 votes
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Answers & Comments
при х = -5/6: 1,2 * (-5/6) - 20 = -12/10*5/6 - 20 = -1 - 20 = -21