4+7-√1

To solve the expression \(4 + 7 - \sqrt{1}\), start by calculating \(\sqrt{1}\).

\(\sqrt{1} = 1\)

Now substitute that back into the expression:

\(4 + 7 - 1\)

Now perform the addition and subtraction:

\(4 + 7 = 11\)

Then,

\(11 - 1 = 10\)

Therefore, \(4 + 7 - \sqrt{1} = 10\).