ГДЗ по математике 3 класс Петерсон рабочая тетрадь Часть 1, 2, 3 Часть 1 | Страница 41

\[\boxed{\mathbf{Страница\ 41.\ }\mathbf{Еуроки\ - \ ДЗ\ без\ мороки}}\]

\[\boxed{\mathbf{1.\ }}\]

\[\textbf{а)}\ 5\ 006\ 072\]

\[\textbf{б)}\ 2\ 034\ 000\ 008\]

\[\textbf{в)}\ 7\ 000\ 409\ 000\]

\[\boxed{\mathbf{2.\ }}\]

\[4308 > 4083\]

\[94\ 809 > 9999\]

\[1\ тыс. = 10\ сот.\]

\[\boxed{\mathbf{3.\ }}\]

\[\boxed{\mathbf{4.\ }}\]

\[\textbf{а)}\ 123\ 178 + 9710 = 132\ 888\]

\[Проверка:\]

\[\textbf{б)}\ 729\ 105 - 63\ 119 = 665\ 986\]

\[Проверка:\]

\[\boxed{\mathbf{5.\ }}\]

\[x\ :35 = 90\]

\[x = 90 \cdot 35\]

\[x = 3150.\]

\[720\ :x = 6\]

\[x = 720\ :6\]

\[x = 120.\]

\[45 \cdot x = 900\]

\[x = 900\ :45\]

\[x = 20.\]

\[\boxed{\mathbf{6.\ }}\]

\[2047;\ \ 2074;\ \ 2470;\ \ 2407;\ \ \]

\[2740;\ \ 2704;\]

\[4027;\ \ 4072;\ \ 4207;\ \ 4270;\ \ \]

\[4702;\ \ 4720;\]

\[7042;\ \ 7024;\ \ 7204;\ \ 7240;\ \ \]

\[7402;\ \ 7420.\]

\[\mathbf{Урок\ 27.\ Решение\ задач}\]