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1IAnNa11
@1IAnNa11
August 2021
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Тема:решение систем 2-х линейных уравнений с 2 - мя переменными:
1) Решить методом подстановки :
{ 2х-5у=14
{ 9х+у=16
2)Решить методом сложения :
{ 3х-2у=11
{ 4х-5у=3
3)Решить графическим методом :
{х/2-у/3=1
{х/4+2у/3=8
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