Ответ:

  1. log₅ 16 + log₅ 2 = log₅ 32.
  2. log₃ 162 − log₃ 2 = log₃ 81 = 4.
  3. log₃ 54 − log₃ 6 = log₃ 9 = 2.
  4. log₄,₅ 4,5 = 1.
  5. 8^(log₈ 12) = 12 по свойству a^(logₐ x) = x.
  6. log₁₂ 144⁴ = log₁₂(12²)⁴ = log₁₂ 12⁸ = 8.
  7. log₁₉ 1 = 0.
  8. log₃ 3 = 1.
  9. log₃ 13,5 + log₃ 2 = log₃ 27 = 3.
  10. log₂ 64¹¹ = log₂(2⁶)¹¹ = log₂ 2⁶⁶ = 66.

Ответ: 1) log₅ 32; 2) 4; 3) 2; 4) 1; 5) 12; 6) 8; 7) 0; 8) 1; 9) 3; 10) 66.