Часть 1 страница 21, ГДЗ по математике за 2 класс к рабочей тетради Моро

\[\begin{aligned} 5 + \textcolor{#e03131}{\mathbf{9}} &= 14 & \qquad 13 - \textcolor{#e03131}{\mathbf{8}} &= 5 & \qquad 14 - 8 + 40 &= \textcolor{#e03131}{\mathbf{46}} \\ 9 + \textcolor{#e03131}{\mathbf{2}} &= 11 & \qquad 15 - \textcolor{#e03131}{\mathbf{9}} &= 6 & \qquad 12 - 3 + 80 &= \textcolor{#e03131}{\mathbf{89}} \\ 8 + \textcolor{#e03131}{\mathbf{9}} &= 17 & \qquad 16 - \textcolor{#e03131}{\mathbf{7}} &= 9 & \qquad 18 - 4 + 60 &= \textcolor{#e03131}{\mathbf{74}} \end{aligned}\]

\(1)\ 12 - 3 = \textcolor{#e03131}{\mathbf{9}}\text{ (к.)}\)
\(2)\ 9 - 2 = \textcolor{#e03131}{\mathbf{7}}\text{ (к.)}\)
Ответ: \(\textcolor{#e03131}{\mathbf{7}}\) карандашей.

\(1)\ 3 + 2 = \textcolor{#e03131}{\mathbf{5}}\text{ (к.)}\)
\(2)\ 12 - 5 = \textcolor{#e03131}{\mathbf{7}}\text{ (к.)}\)
Ответ: \(\textcolor{#e03131}{\mathbf{7}}\) карандашей.

\[\begin{aligned} 7 + \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em} + 5 &= 15 & \qquad \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em} - 5 - 4 &= 6 \\ 9 + 3 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{0}}\kern0.035em} &= 2 & \qquad 13 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em} + 9 &= 16 \\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} + 4 - 2 &= 10 & \qquad 18 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em} - 3 &= 7 \\ 8 + \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{7}}\kern0.035em} - 3 &= 12 & \qquad 11 - \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{5}}\kern0.035em} + 7 &= 13 \end{aligned}\]

Запиши только ответ. У \({\underline{\kern0.4em\textcolor{#e03131}{\textbf{Жени}}\kern0.4em}}\) на \({\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{1}}\kern0.035em}}\) р.
\(\textcolor{#808080}{{21 - 20 = 1}\text{ (р.)}}\)