Упражнение 651

Решение:

• $${\largeа)}\ 1{,}765:1{,}3\approx1{,}358$$$$\phantom{0000}\ \begin{array}{l}\begin{array}{r}-\begin{array}{l}17{,}6500\\13\\\hline\end{array}\begin{array}{|l}13\\\hline1{,}3576\end{array}\\\end{array}\\\phantom{0}\begin{array}{r}-\begin{array}{r}46\\39\\\hline\end{array}\end{array}\\\phantom{00}\begin{array}{r}-\begin{array}{r}75\\65\\\hline\end{array}\end{array}\\\phantom{00}\begin{array}{r}-\begin{array}{r}100\\91\\\hline\end{array}\end{array}\\\phantom{0000}\begin{array}{r}-\begin{array}{r}90\\78\\\hline\end{array}\end{array}\\\phantom{000000}\begin{array}{r}12\end{array}\end{array}$$
• $${\largeб)}\ 5{,}394:23\approx0{,}235$$$$\phantom{0000}\ \begin{array}{l}\begin{array}{r}-\begin{array}{l}5{,}3940\\0\\\hline\end{array}\begin{array}{|l}23\\\hline0{,}2345\end{array}\\\end{array}\\\begin{array}{r}-\begin{array}{r}53\\46\\\hline\end{array}\end{array}\\\phantom{0}\begin{array}{r}-\begin{array}{r}79\\69\\\hline\end{array}\end{array}\\\phantom{0}\begin{array}{r}-\begin{array}{r}104\\92\\\hline\end{array}\end{array}\\\phantom{00}\begin{array}{r}-\begin{array}{r}120\\115\\\hline\end{array}\end{array}\\\phantom{000000}\begin{array}{r}5\end{array}\end{array}$$
• $${\largeв)}\ 2{,}6:11{,}2\approx0{,}232$$$$\phantom{0000}\ \begin{array}{l}\begin{array}{r}-\begin{array}{l}26{,}0000\\\phantom{0}0\\\hline\end{array}\begin{array}{|l}112\\\hline0{,}2321\end{array}\\\end{array}\\\begin{array}{r}-\begin{array}{r}260\\224\\\hline\end{array}\end{array}\\\phantom{0}\begin{array}{r}-\begin{array}{r}360\\336\\\hline\end{array}\end{array}\\\phantom{00}\begin{array}{r}-\begin{array}{r}240\\224\\\hline\end{array}\end{array}\\\phantom{000}\begin{array}{r}-\begin{array}{r}160\\112\\\hline\end{array}\end{array}\\\phantom{000000}\begin{array}{r}48\end{array}\end{array}$$