Решебник по математике 5 класс Виленкин Часть 1, 2 Часть 1. Параграф 3. Умножение и деление натуральных чисел Задание 207

\[\boxed{\mathbf{3.}\mathbf{207}}\]

\[\textbf{а)}\ 84a - 75a = 108\]

\[9a = 108\]

\[a = 108\ :9\]

\[a = 12.\]

\[\textbf{б)}\ 6d + 2d = 96\]

\[8d = 96\]

\[d = 96\ :8\]

\[d = 12.\]

\[\textbf{в)}\ 4z - z = 72\]

\[3z = 72\]

\[z = 72\ :3\]

\[z = 24.\]

\[\textbf{г)}\ 28m + 43 = 211\]

\[28m = 211 - 43\]

\[28m = 168\]

\[m = 168\ :28\]

\[m = 6.\ \]

\[\textbf{д)}\ 9k\ :2 = 207\]

\[9k = 207 \cdot 2\]

\[9k = 414\]

\[k = 414\ :9\]

\[k = 46.\]

\[\textbf{е)}\ 10q\ :16 = 45\]

\[10q = 45 \cdot 16\]

\[10q = 720\]

\[q = 720\ :10\]

\[q = 72.\]