Ответ:
(\frac{309}{100}100309 :\frac{1}{40}401 -\frac{323}{10}10323 :\frac{17}{50}5017 )*\frac{1}{4}41 +\frac{69}{100}10069 *\frac{1}{3}31
\frac{309}{100}100309 *\frac{40}{1}140 =123,6
\frac{323}{10}10323 *\frac{50}{17}1750 =95
123,6-95=28,6
28,6*0,25=7,15
\frac{69}{1000}100069 *\frac{1}{3}31 =0,023
7,15+0,023=7,173
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Ответ:
(\frac{309}{100}100309 :\frac{1}{40}401 -\frac{323}{10}10323 :\frac{17}{50}5017 )*\frac{1}{4}41 +\frac{69}{100}10069 *\frac{1}{3}31
\frac{309}{100}100309 *\frac{40}{1}140 =123,6
\frac{323}{10}10323 *\frac{50}{17}1750 =95
123,6-95=28,6
28,6*0,25=7,15
\frac{69}{1000}100069 *\frac{1}{3}31 =0,023
7,15+0,023=7,173