Страница 12, ГДЗ по математике за 3 класс к тренажёру Погореловой
Повторение. Умножение и деление на 2, 3, 4
\[\begin{array}{|c|c|c|c|c|c|c|c|c|c|c|} \hline \text{Множитель} & 2 & 5 & \textcolor{#e03131}{\mathbf{3}} & 4 & 3 & 2 & \textcolor{#e03131}{\mathbf{1}} & 6 & \textcolor{#e03131}{\mathbf{9}} & 3 \\ \hline \text{Множитель} & \textcolor{#e03131}{\mathbf{4}} & 3 & 8 & 7 & \textcolor{#e03131}{\mathbf{4}} & 2 & 3 & 4 & 3 & 7 \\ \hline \text{Произведение} & 8 & \textcolor{#e03131}{\mathbf{15}} & 24 & \textcolor{#e03131}{\mathbf{28}} & 12 & \textcolor{#e03131}{\mathbf{4}} & 3 & \textcolor{#e03131}{\mathbf{24}} & 27 & \textcolor{#e03131}{\mathbf{21}} \\ \hline \end{array}\]
\[\begin{aligned} 4 \cdot \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em} &= 12 & \qquad 3 \cdot \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} &= 18 & \qquad 15 : \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em} &= 5 \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} : 4 &= 7 & \qquad 4 \cdot \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} &= 32 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em} : 4 &= 6 \\ 4 \cdot \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} &= 24 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em} : 2 &= 7 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em} : 4 &= 5 \\ 3 \cdot \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em} &= 9 & \qquad 4 \cdot \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em} &= 28 & \qquad 21 : \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em} &= 7 \\ 16 : \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} &= 2 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em} : 3 &= 8 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em} \cdot 2 &= 14 \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} : 4 &= 9 & \qquad 4 \cdot \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em} &= 4 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} : 4 &= 2 \\ 27 : \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em} &= 3 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} : 4 &= 9 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} : 2 &= 9 \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} : 3 &= 6 & \qquad 2 \cdot \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em} &= 14 & \qquad 21 : \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em} &= 3 \end{aligned}\]
\[\begin{aligned} 21 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{:}}}}\hspace{0.72em}} 3 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{\cdot}}}}\hspace{0.72em}} 2 &= 14 & \qquad 6 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{\cdot}}}}\hspace{0.72em}} 3 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{:}}}}\hspace{0.72em}} 9 &= 2 \\ 16 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{:}}}}\hspace{0.72em}} 8 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{\cdot}}}}\hspace{0.72em}} 3 &= 6 & \qquad 3 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{\cdot}}}}\hspace{0.72em}} 3 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{\cdot}}}}\hspace{0.72em}} 2 &= 18 \\ 24 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{:}}}}\hspace{0.72em}} 3 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{\cdot}}}}\hspace{0.72em}} 2 &= 16 & \qquad 9 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{\cdot}}}}\hspace{0.72em}} 2 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{:}}}}\hspace{0.72em}} 3 &= 6 \\ 16 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{:}}}}\hspace{0.72em}} 8 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{\cdot}}}}\hspace{0.72em}} 5 &= 10 & \qquad 6 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{:}}}}\hspace{0.72em}} 2 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{\cdot}}}}\hspace{0.72em}} 3 &= 9 \\ 24 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{:}}}}\hspace{0.72em}} 6 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{\cdot}}}}\hspace{0.72em}} 3 &= 12 & \qquad 6 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{\cdot}}}}\hspace{0.72em}} 3 \mathbin{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{:}}}}\hspace{0.72em}} 2 &= 9 \end{aligned}\]



