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bufuis229
@bufuis229
August 2022
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Найдите значение выражения:
(a+x)/(a-x) при a=9,3,x=8,9. / - дробь
Решите уравнение:
x^2+7x=0. ^ - степень
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Answers & Comments
temkalol
1.(a+x)/(a-x), где a=9,3;x=8,9
(9,3+8,9)/(9,3-8,9)=18,2/0,4=45,5
2.
x^2+7x=0 => x(x+7)=0 => x=0;x+7=0 => x=0;x=-7
2 votes
Thanks 2
Dunce1337
Подставляем значения (9.3+8.9)/(9.3-8.9)=18.2/0.4=
=45.5
x²+7x=0
x(x+7)=0
x=0 x+7=0
x= -7
3 votes
Thanks 3
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Answers & Comments
(9,3+8,9)/(9,3-8,9)=18,2/0,4=45,5
2. x^2+7x=0 => x(x+7)=0 => x=0;x+7=0 => x=0;x=-7
x²+7x=0
x(x+7)=0
x=0 x+7=0
x= -7