x = [ 1 / 8 · 4 /1 + 1 /4] · 4 /1 =
= [ 4 /8 + 1 /4 ] · 4
= [2 / 4 + 1 /4 ] · 4
= [ 3 /4 ] · 4 =3 ·4 / 4 = 12 /4 = 3 ∈ N
y= 1 /3 · ( 1 /3)° +[ (2 /3)³] · 3² stim (1 / 3)° = 1
= 1 /3 · 1 + 8 / 27 · 9
= 1 /3 + 8 · 9 / 27
= 1 /3 + 8 · 9 /27 =
= 1 /3 + 8 / 3
= ( 1 +8) / 3 = 9 / 3 = 3 ∈ N