Ответ:(х-у)(х+у)/(х-у)/(х+у):5(х-у)/3(х-у)(х+у)=5/3(х+у)=5/3(0,2-1,8)=5/-4,8=-25/24=-1 1/24
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Ответ:(х-у)(х+у)/(х-у)/(х+у):5(х-у)/3(х-у)(х+у)=5/3(х+у)=5/3(0,2-1,8)=5/-4,8=-25/24=-1 1/24