Решебник по математике 5 класс Бурмистрова рабочая тетрадь Часть 1, 2 Часть 1 | Страница 30

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\[\textbf{а)}\ 133 \cdot 276 = 36\ 708\]

\[36\ 708\ :276 = 133\]

\[36\ 708\ :133 = 276\]

\[\textbf{б)}\ 103\ 114\ :473 = 218\]

\[473 \cdot 218 = 103\ 114\]

\[103\ 114\ :218 = 473\ \]

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\[\boxed{\mathbf{83.}}\]

\[\textbf{а)}\ 46\ 290\ 000\ :10 = 4\ 629\ 000\]

\[46\ 290\ 000\ :100 = 462\ 900\]

\[46\ 290\ 000\ :100\ 000 = 4629\]

\[\textbf{б)}\ 3\ 570\ 000\ :170 = 21\ 000\]

\[3\ 570\ 000\ :1700 = 2100\]

\[3\ 570\ 000\ :170\ 000 = 21\]

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\[\textbf{а)}\ 13 \cdot z = 169\]

\[z = 169\ :13\]

\[z = 13.\]

\[\textbf{б)}\ 225\ :x = 15\]

\[x = 225\ :15\]

\[x = 15.\]

\[\textbf{в)}\ x\ :19 = 19\]

\[x = 19 \cdot 19\]

\[x = 361.\]

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