Номер 1 Решите уравнение 0.9(4х-2)=0.5(3х-4)+4.4    2(х+1.2)=2.7-х Номер 2 Раскройте скобки: а) 2.1+(4.4-6.9)=  б)-0.8а*25= в) 2.8х-4-(5-х) =
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