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Объяснение:

[tex]-0,24:(2\frac{5}{6} :2\frac{4}{15} -1,5*0,3)=-0,24:(\frac{17}{6} :\frac{34}{15} -0,45)=\\=-0,24:(\frac{17}{6}*\frac{15}{34} -\frac{45}{100})=-0,24:(\frac{5}{4} -\frac{9}{20})= -\frac{24}{100} :\frac{5*5-9}{20}=-\frac{6}{25}:\frac{16}{20} =\\ =-\frac{6}{25}*\frac{5}{4}=-\frac{3}{10} =-0,3.[/tex]