Question

вычислите 2,2+(-4 1/3)+(-1 13/15)

Answer 1

$\displaystyle 2,\! 2+\bigg( -4\frac13 \bigg) +\bigg( -1\frac{13}{15}\bigg) =\\ \\ 2\frac{2}{10} -4\frac{1}3 -1\frac{13}{15} =\\ \\ 2+\frac{1}{5} ^{(3}-4-\frac{1}3 ^{(5} -1-\frac{13}{15} =\\ \\ 2-4-1+\frac{3-5-13}{15} =-3+\frac{-15}{15} =\\ \\ -3-1=-4$

Ответ: -4.