Question

Ajutor e super urgent

Answer 1

Răspuns:

[×]+[x+1]+[x+2]=x+5/2

[x]+[x]+1+[x]+2=x+5/2

3[x]=x+5/2-²3

3[x]=x+5/2-6/2

3[x]=x+ -1/2 | :3

[x]=²x/3-1/6

[x]=2x/6-1/6

2x-1/6

2x-1/6=n|:6=> 2x-1=6n

2x=-6n+1

x= 6n+1/2

[6n+1/2]=n