Страница 13, ГДЗ по математике за 3 класс к тренажёру Погореловой

\[\begin{aligned} 3 \cdot 4 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 9}}}{-} 3 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} 3 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 15}}\rule[-0.35em]{0pt}{0.35em}}{\cdot} 5 & \qquad 4 \cdot 2 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 28}}}{+} 5 \cdot 4 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} 36 \\ 5 \cdot 4 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 24}}}{+} 4 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{=}}}}\hspace{0.72em}} 6 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 24}}\rule[-0.35em]{0pt}{0.35em}}{\cdot} 4 & \qquad 6 \cdot 4 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 28}}}{+} 1 \cdot 4 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} 32 \\ 7 \cdot 4 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 24}}}{-} 4 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} 7 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 28}}\rule[-0.35em]{0pt}{0.35em}}{\cdot} 4 & \qquad 4 \cdot 7 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 20}}}{-} 2 \cdot 4 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{=}}}}\hspace{0.72em}} 20 \\ 3 \cdot 9 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 24}}}{-} 3 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{>}}}}\hspace{0.72em}} 3 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 21}}\rule[-0.35em]{0pt}{0.35em}}{\cdot} 7 & \qquad 3 \cdot 5 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 21}}}{+} 3 \cdot 2 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{>}}}}\hspace{0.72em}} 3 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 18}}\rule[-0.35em]{0pt}{0.35em}}{\cdot} 6 \\ 8 \cdot 4 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 24}}}{-} 8 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} 4 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 28}}\rule[-0.35em]{0pt}{0.35em}}{\cdot} 7 & \qquad 2 \cdot 7 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 16}}}{+} 2 \cdot 1 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{=}}}}\hspace{0.72em}} 2 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 16}}\rule[-0.35em]{0pt}{0.35em}}{\cdot} 8 \end{aligned}\]

\[\begin{aligned} 3 \cdot \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} &= 24 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em} \cdot 2 &= 8 & \qquad 2 \cdot \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em} &= 10 \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em} : 2 &= 5 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} : 3 &= 6 & \qquad 18 : \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em} &= 6 \\ 4 \cdot \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em} &= 36 & \qquad 3 \cdot \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} &= 18 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em} : 4 &= 3 \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em} : 3 &= 7 & \qquad 4 \cdot \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em} &= 20 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} : 4 &= 9 \\ 4 \cdot \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em} &= 16 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} : 8 &= 2 & \qquad 3 \cdot \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em} &= 21 \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} \cdot 2 &= 12 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em} \cdot 2 &= 10 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} : 2 &= 8 \\ 2 \cdot \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} &= 16 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} : 4 &= 4 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em} \cdot 3 &= 12 \\ 24 : 3 &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} & \qquad 12 : \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em} &= 4 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em} \cdot 2 &= 10 \end{aligned}\]

\[\begin{array}{|c|c|c|c|c|c|c|c|c|c|c|} \hline \text{Делимое} & 15 & \textcolor{#e03131}{\mathbf{8}} & 18 & 24 & \textcolor{#e03131}{\mathbf{14}} & 20 & 8 & \textcolor{#e03131}{\mathbf{21}} & 12 & 24 \\ \hline \text{Делитель} & \textcolor{#e03131}{\mathbf{5}} & 2 & \textcolor{#e03131}{\mathbf{9}} & 4 & 2 & \textcolor{#e03131}{\mathbf{4}} & 2 & 7 & 2 & \textcolor{#e03131}{\mathbf{4}} \\ \hline \text{Частное} & 3 & 4 & 2 & \textcolor{#e03131}{\mathbf{6}} & 7 & 5 & \textcolor{#e03131}{\mathbf{4}} & 3 & \textcolor{#e03131}{\mathbf{6}} & 6 \\ \hline \end{array}\]