August 2021 0 9 Report
Реши систему способом подстановки 1)2х-у=3 7х+3у=4 2) х/5+у/2=5 х/4-у/3=0,5
3) 3(х-у)+5х=2(3х-2) 4х-2(х+у)=4-3у
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