Часть 2 страница 52, ГДЗ по математике за 2 класс к рабочей тетради Моро
Табличное умножение и деление
\[\begin{array}{ccccc} \boxed{2 \cdot 6 + 2} & \textcolor{#e03131}{\rule[0.32em]{2.2em}{0.09em}} & \boxed{2 \cdot 7} & \textcolor{#e03131}{\rule[0.32em]{2.2em}{0.09em}} & \boxed{2 \cdot 8 - 2} \\[4pt] \boxed{3 \cdot 18} & \textcolor{#e03131}{\rule[0.32em]{2.2em}{0.09em}} & \boxed{18 \cdot 3} & \textcolor{#e03131}{\rule[0.32em]{2.2em}{0.09em}} & \boxed{18 + 18 + 18} \\[4pt] \boxed{3 \cdot 9 - 3} & \textcolor{#e03131}{\rule[0.32em]{2.2em}{0.09em}} & \boxed{3 \cdot 7 + 3} & & \\[4pt] \boxed{2 \cdot 6 + 6} & & & & \end{array}\] \(\textcolor{#808080}{\text{У карточки }{2 \cdot 6 + 6}}\) \(\textcolor{#808080}{\text{пары нет: её}}\) \(\textcolor{#808080}{\text{значение 18.}}\)
\[\begin{aligned} 4 \cdot 31 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{>}}}}\hspace{0.72em}} 13 \cdot 4 & \qquad 14 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 12}}}{-} 2 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{>}}}}\hspace{0.72em}} 14 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 7}}\rule[-0.35em]{0pt}{0.35em}}{:} 2 & \qquad 32 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 64}}\rule[-0.35em]{0pt}{0.35em}}{\cdot} 2 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{=}}}}\hspace{0.72em}} 2 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 64}}\rule[-0.35em]{0pt}{0.35em}}{\cdot} 32 \\ 28 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 56}}\rule[-0.35em]{0pt}{0.35em}}{\cdot} 2 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{<}}}}\hspace{0.72em}} 28 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 84}}\rule[-0.35em]{0pt}{0.35em}}{\cdot} 3 & \qquad 16 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 64}}\rule[-0.35em]{0pt}{0.35em}}{\cdot} 4 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{>}}}}\hspace{0.72em}} 16 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 20}}}{+} 4 & \qquad 12 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 24}}\rule[-0.35em]{0pt}{0.35em}}{\cdot} 2 &\mathrel{\hspace{0.72em}\mathclap{\vcenter{\Large\bigcirc}}\mathclap{\textcolor{#e03131}{\pmb{\boldsymbol{>}}}}\hspace{0.72em}} 12 \overset{\mathclap{\textcolor{#808080}{\scriptstyle 6}}\rule[-0.35em]{0pt}{0.35em}}{:} 2 \end{aligned}\] \(\textcolor{#808080}{{13 \cdot 4 = 4 \cdot 13}\text{,}}\) \(\textcolor{#808080}{\text{а}}\) \(\textcolor{#808080}{{4 \cdot 31 > 4 \cdot 13}\text{,}}\) \(\textcolor{#808080}{\text{так как}}\) \(\textcolor{#808080}{{31 > 13}\text{.}}\)
\[\begin{aligned} 15 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} + 9 &= 18 & \quad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} - 12 &= 24 & \quad 53 + 7 &= \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em} \\ 13 + \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em} - 9 &= 9 & \quad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} - 38 &= 0 & \quad 47 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em} &= 40 \\ 11 + \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em} - 7 &= 8 & \quad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em} - 1 &= 89 & \quad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em} + 9 &= 20 \end{aligned}\]
\[\textcolor{#e03131}{\boldsymbol{a = 0;}}\quad \textcolor{#e03131}{\boldsymbol{a = 1;}}\quad \textcolor{#e03131}{\boldsymbol{a = 2;}}\quad \textcolor{#e03131}{\boldsymbol{a = 3}}\]
