Ответ:

  1. (√27−√3)√3=√81−√9=9−3=6.
  2. (√8−√2)√2=√16−√4=8−2=6.
  3. (√18−√2)√2=√36−√4=6−2=4.
  4. (√50−√2)√2=√100−√4=10−2=8.
  5. (√32−√2)√2=√64−√4=8−2=6.

Ответ: 10.1) 6; 10.2) 6; 10.3) 4; 10.4) 8; 10.5) 6.