Страница 25, ГДЗ за 5 класс к математическому тренажеру Жохова
Задание 13. Все арифметические действия с натуральными числами и нулём (и сводящиеся к ним)
А \[\boxed{\smash[b]{\underset{\hspace{4em}}{20}}} \xrightarrow{\cdot\,90} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\scriptsize \textcolor{#e03131}{\mathbf{1\,800}}}\hspace{1.244em} \xrightarrow{-\,1\,700} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\small \textcolor{#e03131}{\mathbf{100}}}\hspace{1.244em} \xrightarrow{:\,4} \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{25}}}}}\]
Б \[\boxed{\smash[b]{\underset{\hspace{4em}}{210}}} \xrightarrow{:\,30} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\textcolor{#e03131}{\mathbf{7}}}\hspace{1.244em} \xrightarrow{\cdot\,5} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\textcolor{#e03131}{\mathbf{35}}}\hspace{1.244em} \xrightarrow{-\,35} \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{0}}}}}\]
В \[\boxed{\smash[b]{\underset{\hspace{4em}}{36}}} \xrightarrow{+\,48} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\textcolor{#e03131}{\mathbf{84}}}\hspace{1.244em} \xrightarrow{:\,6} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\textcolor{#e03131}{\mathbf{14}}}\hspace{1.244em} \xrightarrow{\cdot\,5} \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{70}}}}}\]
Г \[\boxed{\smash[b]{\underset{\hspace{4em}}{40}}} \xrightarrow{\cdot\,16} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\small \textcolor{#e03131}{\mathbf{640}}}\hspace{1.244em} \xrightarrow{+\,170} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\small \textcolor{#e03131}{\mathbf{810}}}\hspace{1.244em} \xrightarrow{:\,90} \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{9}}}}}\]
Д \[\boxed{\smash[b]{\underset{\hspace{4em}}{245}}} \xrightarrow{-\,55} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\small \textcolor{#e03131}{\mathbf{190}}}\hspace{1.244em} \xrightarrow{\cdot\,2} \hspace{1.244em}\mathclap{\vcenter{\Huge\bigcirc}}\mathclap{\small \textcolor{#e03131}{\mathbf{380}}}\hspace{1.244em} \xrightarrow{-\,370} \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{10}}}}}\]
