Question

(-1 1/9)*(1/6+1 3/4)+2,5 нужно вычислить

Answer 1

$(-1\frac{1}{9})*(\frac{1}{6}+1\frac{3}{4})+2,5=-1\frac{1}{9}*1\frac{11}{12}+2,5=\\=-\frac{5}{9}*\frac{23}{3}+2,5=-\frac{115}{27}+2\frac{1}{2}=2+\frac{-203}{54}=2-3\frac{41}{54}=-1\frac{41}{54}$