Calculati: a}[latex]( -\frac{7}6)[/latex]x[latex]( \frac{4}{5})[/latex]x[latex]( -\frac{90}{7})[/latex]= b)[latex]( -\frac{5}{9})[/latex]x[latex](-2\frac{1}{3})[/latex]x[latex]\frac{54}{15}[/latex] = c)0,(2)x[latex](\frac56-[/latex][latex]\frac43)[/latex]= d)[latex]\frac{23}{12}+[/latex][latex](-\frac{10}{3})[/latex][latex]x(-\frac{1}{8})[/latex]-[latex] (-\frac{31}{24})[/latex]= e)0,75x[-0,(6)-2,(3)]= x=ori,inmultire
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