Question

Пожалуйста решите пример.

Answer 1

$(8,25 \frac{10}{11} -10)(11 \frac{2}{3} :2 \frac{2}{9} -6,15)+12,7:(-2 \frac{1}{2} )= \\ = ( \frac{8,25*10}{11} - \frac{10*11}{11} )( \frac{35}{3} \frac{9}{20} -6,15)- \frac{127}{10} \frac{5}{2} = \\ = \frac{82,5-110}{11} ( \frac{7*3}{4} - \frac{61,5}{10})- \frac{127}{4} = \\ = \frac{27,5}{11} \frac{21*5-61,5*2}{20} - \frac{127}{4} = \frac{27,5*(-18)}{11*20} -\frac{127}{4}= \\ = \frac{-55*9-55*127}{11*20} = \frac{55*(-127-9)}{11*20} = \frac{-136}{4} = -34$