Question

Найдите значение выражения (2√3.5)^2-√3·√0.27+√5/√20

Answer 1

(2√3.5)² -√(3*0.27) +(√5/√(4*5) =4*3.5 -√0.81 +(√5/(√4*√5) =14 -√0.9² +1/√2² =14 -0.9 +1/2 =13.1 +0.5 =13.6