Question

Решите:

Answer 1

$= \sqrt{64-2*8* \sqrt{7}+( \sqrt{7})^2 }= \sqrt{(8- \sqrt{7})^2 } =|8- \sqrt{7}|=8- \sqrt{7}$
=$\sqrt{4-2*2 \sqrt{7}+ (\sqrt{7})^2 }= \sqrt{(2- \sqrt{7})^2 }=|2- \sqrt{7}|= \sqrt{7}-2$
$=8- \sqrt{7}+ \sqrt{7}-2=6$

Answer 2

Problem Statement

The problem statement is not clearly defined in the user's question. Could you please provide more specific information or clarify the problem you would like me to solve?