А)2,9х= -3,77 б) -4,2а=27,3
в)4,2*(1-m)=-8,4
г)-0,8*(а-1,5)=6,4
д)-11\8х=2 4\9
е)5\21у-2=-3 1\14
a)-8\25:(-3 1\5):(-1 1\4)
б) 1 8\9:(1 3\4-3 1\6)
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