Question

va rog mult .........​

Answer 1

$\it [x]+[x+1]+{x+2]=x+\dfrac{5}{2} \Rightarrow [x]+[x]+1+[x]+2=x+2,5 \Rightarrow$

$\it \Rightarrow 3[x]+3=x+2,5 \Rightarrow 3[x]=x-0,5 \Rightarrow 3[x]=[x]+\{x\}-0,5\Big|_{-[x]} \Rightarrow\\ \\ \Rightarrow 2[x]=\{x\}-0,5 \Rightarrow x=0,5$