August 2021 0 6 Report
Докажите,что значение данного выражения не зависит от значений Х и У: а)3(3х-у+2)-6(2х-у-3+5)+3(х-у+5)= б)25(2х-4у-1)-6(5х-11у+7)-2(10х-17у+3)=
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