July 2022 1 27 Report

Найдите наименьшее значение выражения

sqrt(x^2-4x+2y+y^2+5)+sqrt(x^2+4x+y^2-6y+13)

 

Решите систему уравнений

2x^2-3xy-5y^2=0

2x+3y+x^2=0

 

Решите уравнение

sqrt(x^2-6x+6)+sqrt(2x-1)+x=9 

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