Страница 27, ГДЗ по математике за 2 класс к тренажёру Погореловой

\[\begin{aligned} 37 + \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} &= 45 & \qquad 91 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} &= 83 \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em} - 4 &= 68 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} + 5 &= 33 \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{2}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em} + 9 &= 36 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em} - 7 &= 46 \\ 72 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em} &= 65 & \qquad 29 + \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} &= 35 \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em} + 7 &= 54 & \qquad 73 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} &= 67 \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{4}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em} - 8 &= 35 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} + 8 &= 74 \\ 76 + \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em} &= 81 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} - 6 &= 52 \\ 93 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} &= 87 & \qquad 38 + \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{9}}\kern0.035em} &= 47 \end{aligned}\]

\[\begin{array}{|c|c|c|} \hline \text{на 8} & \text{на 5} & \text{на 7} \\ \hline \begin{array}{c} \textcolor{#e03131}{\mathbf{91 - 8 = 83}} \\ \textcolor{#e03131}{\mathbf{34 - 8 = 26}} \\ \textcolor{#e03131}{\mathbf{52 - 8 = 44}} \\ \textcolor{#e03131}{\mathbf{73 - 8 = 65}} \\ \textcolor{#e03131}{\mathbf{61 - 8 = 53}} \\ \textcolor{#e03131}{\mathbf{84 - 8 = 76}} \end{array} & \begin{array}{c} \textcolor{#e03131}{\mathbf{91 - 5 = 86}} \\ \textcolor{#e03131}{\mathbf{34 - 5 = 29}} \\ \textcolor{#e03131}{\mathbf{52 - 5 = 47}} \\ \textcolor{#e03131}{\mathbf{73 - 5 = 68}} \\ \textcolor{#e03131}{\mathbf{61 - 5 = 56}} \\ \textcolor{#e03131}{\mathbf{84 - 5 = 79}} \end{array} & \begin{array}{c} \textcolor{#e03131}{\mathbf{91 - 7 = 84}} \\ \textcolor{#e03131}{\mathbf{34 - 7 = 27}} \\ \textcolor{#e03131}{\mathbf{52 - 7 = 45}} \\ \textcolor{#e03131}{\mathbf{73 - 7 = 66}} \\ \textcolor{#e03131}{\mathbf{61 - 7 = 54}} \\ \textcolor{#e03131}{\mathbf{84 - 7 = 77}} \end{array} \\ \hline \end{array}\]