Question

Calculați [2radical 2]-5{-1,8}

Answer 1

[2√2]-5*{-1,8} = 2-5*0,2 = 2-1 = 1

_____________

[2√2] = [2*1,41] = [2,82] = 2

{-1,8} = -1,8-[-1,8] = -1,8-(-2) = 2-1,8 = 0,2

[-1,8] = - 2