Ответ:

  1. \((5^2)^2-600=5^4-600=625-600=25\).
  2. \((3^3)^2+271=3^6+271=729+271=1000\).
  3. \(1000-5\cdot(2^3)^2=1000-5\cdot64=1000-320=680\).
  4. \(\left(\left(\frac12\right)^4\right)^2\cdot320=\left(\frac12\right)^8\cdot320=\frac{320}{256}=\frac54\).
  5. \((2^4)^2-200=2^8-200=256-200=56\).
  6. \(\left(\left(\frac23\right)^2\right)^3\cdot\frac{3645}{32}=\frac{64}{729}\cdot\frac{3645}{32}=10\).

Ответ: 1) 25; 2) 1000; 3) 680; 4) \(\frac54\); 5) 56; 6) 10.