\[\boxed{\mathbf{1.}}\]
\[7 \cdot 1 = 7\]
\[7\ :7 = 1\]
\[7 \cdot 2 = 14\]
\[14\ :7 = 2\]
\[7 \cdot 3 = 21\]
\[21\ :7 = 3\]
\[7 \cdot 4 = 28\]
\[28\ :7 = 4\]
\[7 \cdot 5 = 35\]
\[35\ :7 = 5\]
\[7 \cdot 6 = 42\]
\[42\ :7 = 6\]
\[7 \cdot 7 = 49\]
\[49\ :7 = 7\]
\[7 \cdot 8 = 56\]
\[56\ :7 = 8\]
\[7 \cdot 9 = 63\]
\[63\ :7 = 9\]
\[7 \cdot 10 = 70\]
\[70\ :7 = 10\]