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Sumunda123
@Sumunda123
August 2022
2
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Упростите выражение и вычислите его значение, если x=-5/6
-2×(2.7x-1)-(6-3.4x)+8×(0.4x-2)
Заранее спасибо
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SmartCin4376
Раскроем скобки
Ответ:-21
1 votes
Thanks 2
Fixytup
-2×(2.7x-1)-(6-3.4x)+8×(0.4x-2) =
= -5,4x+2-6+3,4x+3,2x-16=
=1,2x-20=1,2*(-5/6)-20= -1-20=-21
0 votes
Thanks 1
SmartCin4376
минус забыл вначале
Fixytup
ага, поправила
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Answers & Comments
Ответ:-21
= -5,4x+2-6+3,4x+3,2x-16=
=1,2x-20=1,2*(-5/6)-20= -1-20=-21