Страница 32, ГДЗ за 5 класс к математическому тренажеру Жохова
Задание 17. Все арифметические действия с натуральными числами и нулём (и сводящиеся к ним)
А \[\boxed{\smash[b]{\underset{\hspace{4em}}{70}}} \xrightarrow{\cdot\,30} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\scriptsize \textcolor{#e03131}{\mathbf{2\,100}}}\hspace{1.244em} \xrightarrow{-\,1\,200} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\small \textcolor{#e03131}{\mathbf{900}}}\hspace{1.244em} \xrightarrow{:\,5} \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{180}}}}}\]
Б \[\boxed{\smash[b]{\underset{\hspace{4em}}{8\,900}}} \xrightarrow{-\,4\,500} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\scriptsize \textcolor{#e03131}{\mathbf{4\,400}}}\hspace{1.244em} \xrightarrow{:\,11} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\small \textcolor{#e03131}{\mathbf{400}}}\hspace{1.244em} \xrightarrow{\cdot\,9} \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{3\,600}}}}}\]
В \[\boxed{\smash[b]{\underset{\hspace{4em}}{2\,400}}} \xrightarrow{+\,2\,600} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\scriptsize \textcolor{#e03131}{\mathbf{5\,000}}}\hspace{1.244em} \xrightarrow{:\,10} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\small \textcolor{#e03131}{\mathbf{500}}}\hspace{1.244em} \xrightarrow{\cdot\,3} \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{1\,500}}}}}\]
Г \[\boxed{\smash[b]{\underset{\hspace{4em}}{1\,000}}} \xrightarrow{:\,8} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\small \textcolor{#e03131}{\mathbf{125}}}\hspace{1.244em} \xrightarrow{+\,175} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\small \textcolor{#e03131}{\mathbf{300}}}\hspace{1.244em} \xrightarrow{\cdot\,6} \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{1\,800}}}}}\]
Д \[\boxed{\smash[b]{\underset{\hspace{4em}}{650}}} \xrightarrow{:\,13} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\textcolor{#e03131}{\mathbf{50}}}\hspace{1.244em} \xrightarrow{-\,50} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\textcolor{#e03131}{\mathbf{0}}}\hspace{1.244em} \xrightarrow{\cdot\,8} \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{0}}}}}\]
