Ответ:√(81 · 4) = √324 = 18.√169 − √25 = 13 − 5 = 8.∛27 · 8 = 3 · 8 = 24.√108/√3 = √(108/3) = √36 = 6.√3 · √12 = √36 = 6.Ответ: 1) 18; 2) 8; 3) 24; 4) 6; 5) 6.